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Document and Entity Information	3 Months Ended
Mar. 31, 2015
Document And Entity Information [Abstract]
Entity Registrant Name	COMMUNICATIONS SALES & LEASING, INC.
Entity Central Index Key	0001620280
Document Type	S-11
Document Period End Date	Mar. 31, 2015
Amendment Flag	false
Entity Filer Category	Non-accelerated Filer

Condensed Balance Sheets (Parenthetical) (unaudited)	Mar. 31, 2015 $ / shares shares
Statement Of Financial Position [Abstract]
Common Stock, par value \| $ / shares	$ 0.01
Common Stock, shares authorized	100
Common Stock, shares issued	1
Common Stock, shares outstanding	1

Statements of Assets Contributed and Liabilities Assumed (unaudited) - Consumer CLEC Business - USD ($) $ in Thousands	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Assets:
Accounts receivable (less allowance for doubtful accounts of $93 and $104)	$ 1,678	$ 1,912	$ 2,700
Customer list intangible assets, net	13,438	14,452	19,038
Other	311	301	143
Total Assets	15,427	16,665	21,881
Liabilities:
Advance payments and customer deposits	1,085	1,154	1,336
Accrued payroll and commissions	20	39	17
Accrued interconnection costs	1,291	1,209	1,066
Deferred taxes	5,075	5,483	7,240
Total liabilities	7,471	7,885	9,659
Net Assets Contributed	$ 7,956	$ 8,780	$ 12,222

Statements of Revenues and Direct Expenses (unaudited) - Consumer CLEC Business - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues	$ 7,891	$ 9,704	$ 36,015	$ 45,126	$ 63,478
Direct expenses:
Cost of revenues	4,351	5,100	19,060	23,239	32,362
Selling, general, and administrative	15	14	80	121	682
Amortization	1,013	1,173	4,586	5,253	5,921
Total direct expenses	5,379	6,287	23,726	28,613	38,965
Revenues in Excess of Direct Expenses	$ 2,512	$ 3,417	$ 12,289	$ 16,513	$ 24,513

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2015
Subsequent Events	Note 2. Subsequent Events On April 24, 2015, in connection with the separation and spin-off of CS&L from Windstream ("Spin-Off"), Windstream contributed certain telecommunications network assets, including fiber and copper networks and other real estate (the "Distribution Systems") and a small consumer competitive local exchange carrier ("CLEC") business (the "Consumer CLEC Business") to CS&L. As a result of the Spin-Off, we are an independent, publicly traded company, primarily engaged in the ownership, acquisition and leasing of communication distribution systems. We generate revenues primarily by leasing communications distribution systems to telecommunications operators in triple-net lease arrangements, under which the tenant is primarily responsible for costs relating to the distribution systems (including property taxes, insurance, and maintenance and repair costs). We intend to elect on our U.S. federal income tax return for the taxable year ending December 31, 2015 to be treated as a real estate investment trust ("REIT"). In connection with the Spin-Off, we issued approximately 149.8 million shares of our common stock, par value $0.0001 per share, to Windstream as partial consideration for the contribution of the Distribution Systems and the Consumer CLEC Business. Windstream Holdings distributed approximately 80.4% of the CS&L shares it received to existing stockholders of Windstream Holdings and Windstream retained a passive ownership interest of approximately 19.6% of the common stock of CS&L. As a result of this ownership and Windstream's relationship to us as a tenant, Windstream is deemed to be a related party following the Spin-Off, and the disclosures required by Accounting Standards Codification 850, Related Party Disclosures, will be provided in future filings. On April 24, 2015 we, along with our wholly owned subsidiary CSL Capital, LLC ("CSL Capital"), co-issued $400 million aggregate principal amount of 6.00% Senior Secured Notes due April 15, 2023 (the "Secured Notes") and $1.11 billion aggregate principal amount of 8.25% Senior Unsecured Notes due October 15, 2023 (the "Senior Notes" and together with the Secured Notes, the "Notes"). The Secured Notes were issued at an issue price of 100% of par, while the Senior Notes were issued at an issue price of 97.055% of par. The Notes are guaranteed by each of CS&L's wholly owned domestic subsidiaries that guarantee indebtedness under CS&L's senior credit facilities. The Notes were issued to Windstream Services as partial consideration for the contribution of the Distribution Systems and the Consumer CLEC Business in connection with the Spin-Off. Windstream Services subsequently exchanged the Notes for, and retired, certain outstanding Windstream indebtedness. As such, CS&L did not receive any proceeds from the issuance of the Notes. The issuance of the Notes and their exchange by Windstream Services were not registered under the Securities Act of 1933, as amended (the "Securities Act"), but were exempt from registration under Rule 144A and Regulation S of the Securities Act. Pursuant to a registration rights agreement entered into by the Company in connection with the sale of the Senior Notes, the Company agreed to file with the SEC a registration statement relating to an exchange offer pursuant to which exchange notes registered with the SEC, containing substantially identical terms to the Senior Notes, would be offered in exchange for Senior Notes that are tendered by the holders of those notes. The Notes contain customary high yield covenants limiting our ability to incur or guarantee additional indebtedness; incur or guarantee secured indebtedness; pay dividends or distributions on, or redeem or repurchase, capital stock; make certain investments or other restricted payments; sell assets; enter into transactions with affiliates; merge or consolidate or sell all or substantially all of our assets; and create restrictions on the ability of the CS&L, CSL Capital and our restricted subsidiaries to pay dividends. The covenants are subject to a number of important and significant limitations, qualifications and exceptions. In addition, on April 24, 2015 the Company and CSL Capital entered into a credit agreement ("Credit Agreement"), which provides for a $2.14 billion Senior Secured Term Loan B facility due October 2022 (the "Term Loan Facility") and a $500 million senior secured revolving credit facility maturing April 2020 (the "Revolving Credit Facility" and, together with the Term Loan Facility, the "Facilities"). The term loans under the Facilities were issued at an issue price of 98.00% of par, bear interest at a rate equal to a Eurodollar rate, subject to a 1.0% floor, plus an applicable margin equal to 4.00%, and are subject to amortization of 1.0% per annum. The loans have been incurred by the Company and CSL Capital, are guaranteed by certain of CS&L's wholly owned subsidiaries (the "Guarantors"), and are secured by substantially all of the assets of the CS&L, CS&L Capital and the Guarantors, subject to certain exceptions, which assets also secure the Secured Notes. The Revolving Credit Facility bears interest at a rate equal to LIBOR plus 1.75% to 2.25% based on our consolidated secured leverage ratio, as defined. We are subject to customary covenants under our Credit Agreement, including an obligation to maintain a consolidated secured leverage ratio, as defined, not to exceed 5.00 to 1.00. We are permitted, subject to customary conditions, to incur incremental term loan borrowings and/or increased commitments under our Credit Agreement in an aggregate amount greater than $150 million, so long as, on a pro forma basis after giving effect to any such increases, our consolidated total leverage ratio, as defined, does not exceed 6.50 to 1.00 and our consolidated secured leverage ratio, as defined, does not exceed 4.00 to 1.00. The Company transferred $1.04 billion of cash proceeds under the Facilities to Windstream Services, the Company's parent immediately preceding the Spin-Off, as partial consideration for the contribution of the Distribution Systems and the Consumer CLEC Business in connection with the Spin-Off. After giving effect to the borrowings under the Facilities, the issuance of the Notes and the transfer of cash to Windstream Services, the Company retained net borrowing proceeds of $62.2 million, which are available to us for general corporate purposes. On April 27, 2015 we entered into interest rate swap agreements to mitigate the interest rate risk inherent in our variable rate Term Loan Facility. These interest rate swaps are designated as cash flow hedges and have a fixed notional value of $2.14 billion and mature on October 24, 2022. The weighted average fixed rate paid is 2.1050%, and the variable rate received resets monthly to the one-month LIBOR subject to a minimum rate of 1.0%. In connection with the Spin-Off, we entered into a long-term exclusive triple-net lease agreement with Windstream (the "Master Lease"), pursuant to which all real property currently owned by CS&L is leased to Windstream and from which all of CS&L's rental revenues are currently derived. Windstream is a publicly traded company and is subject to the periodic filing requirements of the Securities Exchange Act of 1934, as amended.
Consumer CLEC Business
Subsequent Events	Note 7. Subsequent Events On April 24, 2015, we completed the Spin-Off from Windstream, issuing 149.8 million shares of common stock, par value $0.0001 per share to Windstream, as partial consideration for the contribution of the Distribution Systems, valued at $2.5 billion, and the Consumer CLEC Business. Windstream Holdings distributed approximately 80.4% of the CS&L shares it received to existing stockholders of Windstream Holdings and Windstream retained a passive ownership interest of approximately 19.6% of the common stock of CS&L. As a result of this ownership and Windstream's relationship to us as a tenant, Windstream is deemed to be a related party following the Spin-Off. On April 24, 2015 we, along with our wholly owned subsidiary CSL Capital, LLC ("CSL Capital") co-issued $400 million aggregate principal amount of 6.00% Senior Secured Notes due April 15, 2023 (the "Secured Notes") and $1.11 billion aggregate principal amount of 8.25% Senior Unsecured Notes due October 15, 2023 (the "Senior Notes" and together with the Secured Notes, the "Notes"). The Secured Notes were issued at an issue price of 100% of par, while the Senior Notes were issued at an issue price of 97.055% of par. The Notes are guaranteed by each of CS&L's wholly owned domestic subsidiaries that guarantee indebtedness under CS&L's senior credit facilities. The Notes were issued to Windstream Services LLC, a wholly owned subsidiary of Windstream Holdings ("Windstream Services") as partial consideration for the contribution of the Distribution Systems and the Consumer CLEC Business in connection with the Spin-Off. Windstream Services subsequently exchanged the Notes for, and retired, certain outstanding Windstream indebtedness. As such, CS&L did not receive any proceeds from the issuance of the Notes. The issuance of the Notes and their exchange by Windstream Services were not registered under the Securities Act of 1933, as amended (the "Securities Act"), but were exempt from registration under Rule 144A and Regulation S of the Securities Act. Pursuant to a registration rights agreement entered into by the Company in connection with the sale of the Senior Notes, the Company agreed to file with the SEC a registration statement relating to an exchange offer pursuant to which exchange notes registered with the SEC, containing substantially identical terms to the Senior Notes, would be offered in exchange for Senior Notes that are tendered by the holders of those notes. The Notes contain customary high yield covenants limiting our ability to incur or guarantee additional indebtedness; incur or guarantee secured indebtedness; pay dividends or distributions on, or redeem or repurchase, capital stock; make certain investments or other restricted payments; sell assets; enter into transactions with affiliates; merge or consolidate or sell all or substantially all of our assets; and create restrictions on the ability of CS&L, CSL Capital and our restricted subsidiaries to pay dividends. The covenants are subject to a number of important and significant limitations, qualifications and exceptions. In addition, on April 24, 2015 the Company and CSL Capital entered into a credit agreement ("Credit Agreement"), which provides for a $2.14 billion year Senior Secured Term Loan B facility due October 2022 (the "Term Loan Facility") and a $500 million senior secured revolving credit facility maturing April 2020 (the "Revolving Credit Facility" and together with the Term Loan Facility, the "Facilities"). The term loans under the Facilities were issued at an issue price of 98.00% of par, bear interest at a rate equal to a Eurodollar rate, subject to a 1.0% floor, plus an applicable margin equal to 4.00%, and are subject to amortization of 1.0% per annum. The loans have been incurred by the Company and CSL Capital, are guaranteed by certain of CS&L's wholly owned domestic subsidiaries (the "Guarantors"), and secured by substantially all of the assets of the Company, CSL Capital and the Guarantors, subject to certain exceptions, which assets will also secure the Secured Notes. The Revolving Credit Facility bears interest at a rate equal to LIBOR plus 1.75% to 2.25% based on our consolidated secured leverage ratio. We are subject to customary covenants under our Credit Agreement, including an obligation to maintain a consolidated secured leverage ratio, as defined, not to exceed 5.00 to 1.00. We are permitted, subject to customary conditions, to incur incremental term loan borrowings and/or increased commitments under our Credit Agreement in an aggregate amount greater than $150 million, so long as, on a pro forma basis after giving effect to any such increases, our consolidated total leverage ratio, as defined, does not exceed 6.50 to 1.00 and our consolidated secured leverage ratio, as defined, does not exceed 4.00 to 1.00. The Company transferred $1.04 billion of cash proceeds under the Facilities to Windstream Services, the Company's parent immediately preceding the Spin-Off, as partial consideration for the contribution the Distribution Systems and the Consumer CLEC Business in connection with the Spin-Off. After giving effect to the borrowings under the Facilities, the issuance of the Notes and the transfer of cash to Windstream Services, the Company retained net borrowing proceeds of $62.2 million, which are available to us for general corporate purposes. On April 27, 2015 we entered into interest rate swap agreements to mitigate the interest rate risk inherent in our variable rate Term Loan Facility. These interest rate swaps are designated as cash flow hedges and have a fixed notional value of $2.14 billion and mature on October 24, 2022. The weighted average fixed rate paid is 2.1050%, and the variable rate received resets monthly to the one-month LIBOR subject to a minimum rate of 1.0%.

Basis of Presentation	3 Months Ended	12 Months Ended
Basis of Presentation	Mar. 31, 2015	Dec. 31, 2014
Organization and Basis of Presentation	Note 1. Organization and Basis of Presentation Communications Sales & Leasing, Inc. (the "Company", "CS&L", "we", "us" or "our") was incorporated in the state of Delaware in February 2014 and reorganized in the state of Maryland on September 4, 2014. On that date, we issued one share of common stock to our sole stockholder, Windstream Services, LLC ("Windstream Services"), a subsidiary of Windstream Holdings, Inc. ("Windstream Holdings" and, together with its consolidated subsidiaries "Windstream"). The accompanying Condensed Balance Sheet reflects the Company's financial position as of March 31, 2015 and has been prepared for the purpose of complying with the rules and regulations of the Securities and Exchange Commission (the "SEC"), as permitted by the SEC. Additionally, the interim financial statement has been prepared consistent with Article 10 of Regulation S-X. The elements of the financial statement are stated in accordance with accounting principles generally accepted in the United States ("GAAP"). Certain information and footnote disclosures have been condensed or omitted as permitted by the SEC's rules and regulations. In the opinion of management, all adjustments considered necessary for a fair statement of the results of the interim periods presented have been included. The results of operations for the interim periods are not necessarily indicative of results for the full year.
Consumer CLEC Business
Organization and Basis of Presentation	Note 2. Basis of Presentation The accompanying unaudited Statement of Assets Contributed and Liabilities Assumed of the Consumer CLEC Business as of March 31, 2015 and December 31, 2014 and the related Statements of Revenues and Direct Expenses for the three months ended March 31, 2015 and 2014 have been prepared for the purpose of complying with the rules and regulations of the Securities and Exchange Commission (the "SEC"), as permitted by the SEC and are not intended to be a complete presentation of the financial position or results of operations of the Consumer CLEC Business. Additionally, the interim financial statements have been prepared consistent with Article 10 of Regulation S-X. The elements of the financial statements are stated in accordance with accounting principles generally accepted in the United States ("GAAP"). Certain information and footnote disclosures have been condensed or omitted as permitted by the SEC's rules and regulations. In the opinion of management, all adjustments considered necessary for a fair statement of the results of the interim periods presented have been included. The results of operations for the interim periods are not necessarily indicative of results for the full year. The accompanying Statements of Assets Contributed and Liabilities Assumed include only certain assets and liabilities directly related to the Consumer CLEC Business that were transferred by Windstream to CS&L pursuant to the Separation and Distribution Agreement between CS&L and Windstream dated March 26, 2015. Windstream has retained certain assets and liabilities of the Consumer CLEC Business consisting of the following: cash and cash equivalents, intercompany receivables and payables, certain trade accounts payable, liabilities related to employee benefit plans, income taxes payable and deferred income taxes. Accordingly, the assets and liabilities retained by Windstream have been excluded from the Statements of Assets Contributed and Liabilities Assumed. In addition, the Consumer CLEC Business primarily uses leased network facilities to provide telecommunications services to its customers and does not hold legal title to any property, plant and equipment. The accompanying Statements of Revenues and Direct Expenses include all direct costs incurred in connection with the operation of the Consumer CLEC Business for which specific identification was practicable. In addition, direct costs incurred by Windstream to operate the Consumer CLEC Business for which specific identification was not practicable have been allocated based on assumptions that Windstream management believes reasonable under the circumstances as more fully discussed in Note 6. The Statements of Revenues and Direct Expenses exclude costs that are not directly related to the Consumer CLEC Business including general corporate overhead costs, interest expense and income taxes. These costs will be incurred by the Consumer CLEC Business in the future when it operates on a standalone basis.	2. Basis of Presentation: The accompanying Statements of Assets Contributed and Liabilities Assumed as of December 31, 2014 and 2013 and the related Statements of Revenues and Direct Expenses for each of the three years in the period ended December 31, 2014 have been prepared for the purpose of complying with the rules and regulations of the Securities and Exchange Commission (the "SEC"), as permitted by the SEC, and are not intended to be a complete presentation of the financial position or results of operations of the consumer CLEC business. The elements of the financial statements are stated in accordance with accounting principles generally accepted in the United States ("GAAP"). The assets to be contributed and liabilities assumed of the consumer CLEC business presented in the accompanying financial statements reflect Windstream's historical carrying value of the assets and liabilities as of the financial statement date consistent with the accounting for spin-off transactions in accordance with GAAP. The accompanying Statements of Assets Contributed and Liabilities Assumed include only certain assets and liabilities directly related to the consumer CLEC business that will be transferred pursuant to the Separation and Distribution Agreement, which will be executed between Communication Sales & Leasing, Inc. and Windstream. Windstream will retain certain assets and liabilities of the consumer CLEC business consisting of the following: cash and cash equivalents, intercompany receivables and payables, certain trade accounts payable, liabilities related to employee benefit plans, and income taxes payable. Accordingly, the assets and liabilities to be retained by Windstream have been excluded from the Statements of Assets Acquired and Liabilities Assumed. In addition, the consumer CLEC business primarily uses leased network facilities to provide telecommunications services to its customers and does not hold legal title to any property, plant and equipment. The accompanying Statements of Revenues and Direct Expenses include all direct costs incurred in connection with the operation of the consumer CLEC business for which specific identification was practical. In addition, direct costs incurred by Windstream to operate the consumer CLEC business for which specific identification was not practical have been allocated based on assumptions that Windstream management believes reasonable under the circumstances as more fully discussed in Note 6. The Statements of Revenues and Direct Expenses exclude costs that are not directly related to the consumer CLEC business including general corporate overhead costs, interest expense and income taxes. These costs will be incurred by the consumer CLEC business in the future when it operates on a standalone basis.
Distribution Systems
Organization and Basis of Presentation	2. Basis of Presentation The accompanying balance sheets reflect the Distribution System assets of Windstream that were transferred to CS&L in connection with the Spin-Off. The balance sheets presented herein are combined on the basis of common control. The accompanying balance sheets have been prepared in accordance with accounting principles generally accepted in the United States ("GAAP") and have been derived from the accounting records of Windstream. The Distribution System assets presented in the accompanying balance sheets reflect Windstream's historical carrying value of the assets as of the balance sheet dates consistent with the accounting for spin-off transactions in accordance with GAAP.	2. Basis of Presentation: The accompanying balance sheets reflect the telecommunications distribution system assets of Windstream that will be transferred to CSL in the planned separation and spin-off. The balance sheets presented herein are combined on the basis of common control. The accompanying balance sheets have been prepared in accordance with accounting principles generally accepted in the United States ("GAAP") and have been derived from the accounting records of Windstream. The telecommunications distribution system assets presented in the accompanying balance sheets reflect Windstream's historical carrying value of the assets as of the balance sheet dates consistent with the accounting for spin-off transactions in accordance with GAAP.

Summary of Significant Accounting Policies	3 Months Ended	12 Months Ended
Summary of Significant Accounting Policies	Mar. 31, 2015	Dec. 31, 2014
Consumer CLEC Business
Summary Of Significant Accounting Policies [Line Items]
Summary of Significant Accounting Policies	Note 3. Summary of Significant Accounting Policies Use of Estimates—The preparation of financial statements, in accordance with GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and disclosure of contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statements are based upon management's evaluation of the relevant facts and circumstances as of the date of the financial statements. Actual results may differ from the estimates and assumptions used in preparing the accompanying financial statements, and such differences could be material. Accounts Receivable—Accounts receivable consist of trade receivables from customers and are generally unsecured and due within 30 days. Expected credit losses related to trade accounts receivable are recorded as an allowance for doubtful accounts in the accompanying Statements of Assets Contributed and Liabilities Assumed. In establishing the allowance for doubtful accounts, management considers a number of factors, including historical collection experience, aging of the accounts receivable balances and current economic conditions. When internal collection efforts on accounts have been exhausted, the accounts are written off by reducing the allowance for doubtful accounts. The provision for doubtful accounts, which is included in cost of service, was $83,000 and $149,000 for the three-months ended March 31, 2015 and 2014, respectively. Concentration of credit risk with respect to accounts receivable is limited because a large number of geographically diverse customers make up the consumer CLEC customer base. Due to varying customer billing cycle cut-off, management must estimate service revenues earned but not yet billed at the end of each reporting period. Included in accounts receivable are unbilled receivables related to communications services and product sales of $84,000, and $94,000 at March 31, 2015 and December 31, 2014, respectively. Customer List Intangible Assets—Windstream acquired certain consumer CLEC operations and customers through various acquisitions completed prior to 2011. In connection with the purchase price allocation for these acquisitions, Windstream recorded the estimated fair value of consumer CLEC customer list intangible assets at the dates of acquisition. The customer list intangible assets are presented in the financial statements at cost less accumulated amortization and are amortized using the sum-of-the-digits method over their estimated useful lives. Income Taxes—The operations of the Consumer CLEC Business have historically been included in Windstream's federal and state income tax returns and all income tax liabilities have been paid by Windstream. Income tax information included in the financial statements is presented on a separate tax return basis. Management believes that the assumptions and estimates used to determine the tax amounts are reasonable. However, the financial statements herein may not necessarily reflect the income tax liabilities or future income tax payments if the Consumer CLEC Business had been operated as a stand-alone business during the periods presented. Deferred income taxes are recognized in accordance with guidance on accounting for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax balances are adjusted to reflect tax rates based on currently enacted tax laws, which will be in effect in the years in which the temporary differences are expected to reverse. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period of the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets unless it is more likely than not that such assets will be realized. Revenue Recognition—Service revenues are primarily derived from providing access to or usage of leased networks and facilities. Service revenues are recognized over the period that the corresponding services are rendered to customers. Revenues derived from other telecommunications services, including broadband, long distance and enhanced service revenues are recognized monthly as services are provided. Sales of customer premise equipment and modems are recognized when products are delivered to and accepted by customers. Recently Issued Accounting Standards—In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers ("ASU 2014-09"). The standard outlines a single comprehensive revenue recognition model for entities to follow in accounting for revenue from contracts with customers and supersedes most current revenue recognition guidance, including industry-specific guidance. The core principle of the revenue model is that an entity should recognize revenue for the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled to receive for those goods or services. ASU 2014-09 is effective for annual periods beginning after December 15, 2017 and interim periods within those annual periods. Early adoption is not permitted. Management is in the process of determining the method of adoption and assessing the impact of the ASU on the consumer CLEC financial statements. Subsequent Events—The accompanying financial statements of the Consumer CLEC Business are derived from the consolidated financial statements of Windstream, which issued its interim unaudited consolidated financial statements as of and for the quarterly period ended March 31, 2015 on May 7, 2015. Accordingly, management has evaluated transactions for consideration as recognized subsequent events in the accompanying financial statement through the date of May 7, 2015. In addition, management has evaluated transactions that occurred as of the issuance of these financial statements on May 13, 2015 for purposes of disclosure of unrecognized subsequent events. See Note 7 for additional disclosures related to subsequent events.	3. Summary of Significant Accounting Policies: Use of Estimates—The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and disclosure of contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statements are based upon management's evaluation of the relevant facts and circumstances as of the date of the financial statements. Actual results may differ from the estimates and assumptions used in preparing the accompanying financial statements, and such differences could be material. Accounts Receivable—Accounts receivable consist of trade receivables from customers and are generally unsecured and due within 30 days. Expected credit losses related to trade accounts receivable are recorded as an allowance for doubtful accounts in the accompanying Statements of Assets Contributed and Liabilities Assumed. In establishing the allowance for doubtful accounts, management considers a number of factors, including historical collection experience, aging of the accounts receivable balances and current economic conditions. When internal collection efforts on accounts have been exhausted, the accounts are written off by reducing the allowance for doubtful accounts. The provision for doubtful accounts, which is included in cost of service, was $487, $610 and $1,166 for the years ended December 31, 2014, 2013 and 2012, respectively. Concentration of credit risk with respect to accounts receivable is limited because a large number of geographically diverse customers make up the consumer CLEC customer base. Due to varying customer billing cycle cut-off, management must estimate service revenues earned but not yet billed at the end of each reporting period. Included in accounts receivable are unbilled receivables related to communications services and product sales of $94, and $111 at December 31, 2014 and 2013, respectively. Customer List Intangible Assets—Windstream acquired certain consumer CLEC operations and customers through various acquisitions completed prior to 2011. In connection with the purchase price allocation for these acquisitions, Windstream recorded the estimated fair value of consumer CLEC customer list intangible assets at the dates of acquisition. The customer list intangible assets are presented in the financial statements at cost less accumulated amortization and are amortized using the sum-of-the-digits method over their estimated useful lives. Income Taxes—The operations of the consumer CLEC business have historically been included in Windstream's federal and state income tax returns and all income tax liabilities have been paid by Windstream. Income tax information included in the financial statements is presented on a separate tax return basis. Management believes that the assumptions and estimates used to determine the tax amounts are reasonable. However, the financial statements herein may not necessarily reflect the income tax liabilities or future income tax payments if the consumer CLEC business had been operated as a stand-alone business during the periods presented. Deferred income taxes are recognized in accordance with guidance on accounting for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax balances are adjusted to reflect tax rates based on currently enacted tax laws, which will be in effect in the years in which the temporary differences are expected to reverse. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period of the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets unless it is more likely than not that such assets will be realized. Revenue Recognition—Service revenues are primarily derived from providing access to or usage of leased networks and facilities. Service revenues are recognized over the period that the corresponding services are rendered to customers. Revenues derived from other telecommunications services, including broadband, long distance and enhanced service revenues are recognized monthly as services are provided. Sales of customer premise equipment and modems are recognized when products are delivered to and accepted by customers. Recently Issued Accounting Standards—In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers ("ASU 2014-09"). The standard outlines a single comprehensive revenue recognition model for entities to follow in accounting for revenue from contracts with customers and supersedes most current revenue recognition guidance, including industry-specific guidance. The core principle of the revenue model is that an entity should recognize revenue for the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled to receive for those goods or services. ASU 2014-09 is effective for annual periods beginning after December 15, 2016 and interim periods within those annual periods. Early adoption is not permitted. Management is in the process of determining the method of adoption and assessing the impact of the ASU on the consumer CLEC financial statements. Subsequent Events—The accompanying financial statements of the consumer CLEC business are derived from the consolidated financial statements of Windstream, which issued its annual consolidated financial statements on February 24, 2015. Accordingly, management has evaluated transactions for consideration as recognized subsequent events in these financial statements through the date of February 24, 2015. In addition, management has evaluated transactions that occurred as of the issuance of these financial statements, March 12, 2015, for purposes of disclosure of unrecognized subsequent events. No additional disclosures are required other than those matters that are reflected within these financial statements.
Distribution Systems
Summary Of Significant Accounting Policies [Line Items]
Summary of Significant Accounting Policies	3. Summary of Significant Accounting Policies Use of Estimates—The preparation of financial statements, in accordance with GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and disclosure of contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statement are based upon management's evaluation of the relevant facts and circumstances as of the date of the financial statement. Actual results may differ from the estimates and assumptions used in preparing the accompanying financial statement, and such differences could be material. Property, Plant and Equipment—Property, plant and equipment are stated at original cost, less accumulated depreciation. Property, plant and equipment consists of land and central office buildings, copper and fiber optic cable lines, telephone poles, underground conduits, concrete pads, pedestals, guy wires, anchors, and attachment hardware. The costs of additions, replacements, substantial improvements and extension of the network to the customer premise, including related labor costs, are capitalized, while the costs of maintenance and repairs are expensed as incurred. Interest costs incurred in connection with the acquisition or construction of plant assets are capitalized and included in the cost of the asset. Certain property, plant and equipment is depreciated using a group composite depreciation method. Under this method, when property is retired, the original cost, net of salvage value, is charged against accumulated depreciation and no immediate gain or loss is recognized on the disposition of the property. For all other property, depreciation is computed using the straight-line method over the estimated useful life of the respective property, and when the property is retired or otherwise disposed of, the related cost and accumulated depreciation are written-off, with the corresponding gain or loss reflected in operating results. Impairment of Long-Lived Assets—Management reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset group may not be recoverable from future, undiscounted net cash flows expected to be generated by the asset group. If the asset group is not fully recoverable, an impairment loss would be recognized for the difference between the carrying value of the asset group and its estimated fair value based on discounted net future cash flows. Subsequent Events—The accompanying balance sheets are derived from the consolidated financial statements of Windstream, which issued its interim unaudited consolidated financial statements as of and for the quarterly period ended March 31, 2015 on May 7, 2015. Accordingly, management has evaluated transactions for consideration as recognized subsequent events in the accompanying financial statement through the date of May 7, 2015. In addition, management has evaluated transactions that occurred as of the issuance of these financial statements on May 13, 2015 for purposes of disclosure of unrecognized subsequent events. No additional disclosures are required other than those matters that are reflected within this financial statement.	3. Summary of Significant Accounting Policies: Use of Estimates—The preparation of financial statements, in accordance with GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and disclosure of contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statement are based upon management's evaluation of the relevant facts and circumstances as of the date of the financial statement. Actual results may differ from the estimates and assumptions used in preparing the accompanying financial statement, and such differences could be material. Property, Plant and Equipment—Property, plant and equipment are stated at original cost, less accumulated depreciation. Property, plant and equipment consists of land and central office buildings, copper and fiber optic cable lines, telephone poles, underground conduits, concrete pads, pedestals, guy wires, anchors, and attachment hardware. The costs of additions, replacements, substantial improvements and extension of the network to the customer premise, including related labor costs, are capitalized, while the costs of maintenance and repairs are expensed as incurred. Interest costs incurred in connection with the acquisition or construction of plant assets are capitalized and included in the cost of the asset. Certain property, plant and equipment is depreciated using a group composite depreciation method. Under this method, when plant is retired, the original cost, net of salvage value, is charged against accumulated depreciation and no immediate gain or loss is recognized on the disposition of the property. For all other property, depreciation is computed using the straight-line method over the estimated useful life of the respective property, and when the property is retired or otherwise disposed of, the related cost and accumulated depreciation are written-off, with the corresponding gain or loss reflected in operating results. Impairment of Long-Lived Assets—Management reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset group may not be recoverable from future, undiscounted net cash flows expected to be generated by the asset group. If the asset group is not fully recoverable, an impairment loss would be recognized for the difference between the carrying value of the asset group and its estimated fair value based on discounted net future cash flows. Subsequent Events—The accompanying balance sheets are derived from the consolidated financial statements of Windstream, which issued its annual consolidated financial statements on February 24, 2015. Accordingly, management has evaluated transactions for consideration as recognized subsequent events in the accompanying financial statement through the date of February 24, 2015. In addition, management has evaluated transactions that occurred as of the issuance of the financial statements on March 12, 2015. for purposes of disclosure of unrecognized subsequent events. No additional disclosures are required other than those matters that are reflected within this financial statement.

Customer List Intangible Assets (Tables) - Consumer CLEC Business

3 Months Ended

12 Months Ended

Mar. 31, 2015

Dec. 31, 2014

Finite Lived Intangible Assets [Line Items]

Schedule of Carrying Value of the Intangible Assets

The carrying value of the customer list intangible assets at each reporting period was as follows:

	March 31, 2015						December 31, 2014
	Gross		Accumulated		Net Carrying		Gross		Accumulated		Net Carrying
(Thousands)	Cost		Amortization		Value		Cost		Amortization		Value
Customer lists	$	34,501	$	21,063	$	13,438	$	34,501	$	20,049	$	14,452

The carrying value of the customer list intangible assets at each reporting period was as follows:

	December 31, 2014						December 31, 2013

(Thousands)	Gross Cost		Accumulated Amortization		Net Carrying Value		Gross Cost		Accumulated Amortization		Net Carrying Value
Customer lists	$	34,501	$	20,049	$	14,452	$	34,501	$	15,463	$	19,038

Schedule of Estimated Amortization Expense

Amortization expense is estimated to be as follows for the years ended December 31:

Year	(Thousands)
2016	$	3,258
2017		2,607
2018		1,994
2019		1,384
2020		870
Thereafter		416
Total	$	10,529

Amortization expense is estimated to be as follows for the years ended December 31:

Year	(Thousands)

2015	$	3,922
2016		3,258
2017		2,607
2018		1,994
2019		1,384
Thereafter		1,287

Total	$	14,452

Property, Plant and Equipment (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2015

Dec. 31, 2014

Distribution Systems

Summary of Net Property, Plant and Equipment

Net property, plant and equipment consisted of the following as of each reporting period:

($ in Millions)	Depreciable Lives	March 31, 2015			December 31, 2014
Land		$	33.0		$	33.0
Building and Improvements	3 - 40 years		308.4			305.5
Poles	13 - 40 years		223.4			223.0
Fiber	7 - 40 years		1,850.7			1,841.2
Copper	7 - 40 years		3,439.0			3,430.8
Conduit	13 - 47 years		89.5			89.2
Construction in progress			53.2			34.0
			5,997.2			5,956.7
Less accumulated depreciation			(3,466.8	)		(3,384.9	)
Net property, plant and equipment		$	2,530.4		$	2,571.8

Net property, plant and equipment consisted of the following as of:

(Millions)	Depreciable Lives	December 31, 2014			December 31, 2013

Land		$	33.0		$	29.1
Building and improvements	3 - 40 years		305.5			298.3
Poles	13 - 40 years		223.0			217.1
Fiber	7 - 40 years		1,841.2			1,685.4
Copper	7 - 40 years		3,430.8			3,373.2
Conduit	13 - 47 years		89.2			89.0
Construction in progress			34.0			45.0

			5,956.7			5,737.1
Less accumulated depreciation			(3,384.9	)		(3,054.1	)

Net property, plant and equipment		$	2,571.8		$	2,683.0

Subsequent Events - Additional Information (Details) - USD ($)	Apr. 27, 2015	Apr. 24, 2015	Mar. 31, 2015
Subsequent Event [Line Items]
Common Stock, shares issued			1
Common Stock, par value			$ 0.01
Subsequent Event \| Interest Rate Swap
Subsequent Event [Line Items]
Derivative, notional amount	$ 2,140,000,000
Derivative, maturity date	Oct. 24, 2022
Derivative, weighted average fixed rate	2.105%
LIBOR, minimum variable rate	1.00%
Subsequent Event \| Minimum
Subsequent Event [Line Items]
Aggregate borrowing amount		$ 150,000,000
Subsequent Event \| Maximum
Subsequent Event [Line Items]
Consolidated total leverage ratio		6.50%
Consolidated secured leverage ratio		5.00%
Subsequent Event \| Maximum \| Pro Forma
Subsequent Event [Line Items]
Consolidated secured leverage ratio		4.00%
Subsequent Event \| Consumer CLEC Business
Subsequent Event [Line Items]
Term loan issue price as a percentage of par		98.00%
Debt amortization percentage		1.00%
Subsequent Event \| Consumer CLEC Business \| Interest Rate Swap
Subsequent Event [Line Items]
Derivative, notional amount	$ 2,140,000,000
Derivative, maturity date	Oct. 24, 2022
Derivative, weighted average fixed rate	2.105%
LIBOR, minimum variable rate	1.00%
Subsequent Event \| Consumer CLEC Business \| Eurodollar
Subsequent Event [Line Items]
Debt instrument, floor rate		1.00%
Debt instrument, basis spread on variable rate		4.00%
Subsequent Event \| Consumer CLEC Business \| Senior Secured Term Loan B Facility
Subsequent Event [Line Items]
Issuance of senior notes, principal amount		$ 2,140,000,000
Debt instrument, maturity period		2022-10
Subsequent Event \| Consumer CLEC Business \| Senior Secured Revolving Credit Facility
Subsequent Event [Line Items]
Issuance of senior notes, principal amount		$ 500,000,000
Debt instrument, maturity period		2020-04
Subsequent Event \| Consumer CLEC Business \| Minimum
Subsequent Event [Line Items]
Aggregate borrowing amount		$ 150,000,000
Subsequent Event \| Consumer CLEC Business \| Minimum \| London Interbank Offered Rate (LIBOR)
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate		1.75%
Subsequent Event \| Consumer CLEC Business \| Maximum
Subsequent Event [Line Items]
Consolidated total leverage ratio		6.50%
Consolidated secured leverage ratio		5.00%
Subsequent Event \| Consumer CLEC Business \| Maximum \| Pro Forma
Subsequent Event [Line Items]
Consolidated secured leverage ratio		4.00%
Subsequent Event \| Consumer CLEC Business \| Maximum \| London Interbank Offered Rate (LIBOR)
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate		2.25%
Subsequent Event \| Windstream \| Stock Distribution \| Consumer CLEC Business
Subsequent Event [Line Items]
Percentage of stock distributed		80.40%
Subsequent Event \| C S L Capital Llc
Subsequent Event [Line Items]
Term loan issue price as a percentage of par		98.00%
Debt amortization percentage		1.00%
Subsequent Event \| C S L Capital Llc \| Eurodollar
Subsequent Event [Line Items]
Debt instrument, floor rate		1.00%
Debt instrument, basis spread on variable rate		4.00%
Subsequent Event \| C S L Capital Llc \| Senior Secured Term Loan B Facility
Subsequent Event [Line Items]
Issuance of senior notes, principal amount		$ 2,140,000,000
Debt instrument, maturity period		2022-10
Subsequent Event \| C S L Capital Llc \| Senior Secured Revolving Credit Facility
Subsequent Event [Line Items]
Issuance of senior notes, principal amount		$ 500,000,000
Debt instrument, maturity period		2020-04
Subsequent Event \| C S L Capital Llc \| Minimum \| London Interbank Offered Rate (LIBOR)
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate		1.75%
Subsequent Event \| C S L Capital Llc \| Maximum \| London Interbank Offered Rate (LIBOR)
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate		2.25%
Subsequent Event \| C S L Capital Llc \| 6.00% Senior Secured Notes
Subsequent Event [Line Items]
Issuance of senior notes, principal amount		$ 400,000,000
Issuance senior notes, stated percentage		6.00%
Notes issue price percentage		100.00%
Subsequent Event \| C S L Capital Llc \| Senior Secured Notes
Subsequent Event [Line Items]
Debt instrument, maturity date		Apr. 15, 2023
Subsequent Event \| C S L Capital Llc \| Senior Unsecured Notes
Subsequent Event [Line Items]
Debt instrument, maturity date		Oct. 15, 2023
Subsequent Event \| C S L Capital Llc \| 8.25% Senior Unsecured Notes
Subsequent Event [Line Items]
Issuance of senior notes, principal amount		$ 1,110,000,000
Issuance senior notes, stated percentage		8.25%
Notes issue price percentage		97.055%
Subsequent Event \| C S L Capital Llc \| Senior Notes
Subsequent Event [Line Items]
Proceeds from issuance of debt		$ 0
Subsequent Event \| C S L Capital Llc \| Consumer CLEC Business \| 6.00% Senior Secured Notes
Subsequent Event [Line Items]
Issuance of senior notes, principal amount		$ 400,000,000
Issuance senior notes, stated percentage		6.00%
Notes issue price percentage		100.00%
Subsequent Event \| C S L Capital Llc \| Consumer CLEC Business \| Senior Secured Notes
Subsequent Event [Line Items]
Debt instrument, maturity date		Apr. 15, 2023
Subsequent Event \| C S L Capital Llc \| Consumer CLEC Business \| Senior Unsecured Notes
Subsequent Event [Line Items]
Debt instrument, maturity date		Oct. 15, 2023
Subsequent Event \| C S L Capital Llc \| Consumer CLEC Business \| 8.25% Senior Unsecured Notes
Subsequent Event [Line Items]
Issuance of senior notes, principal amount		$ 1,110,000,000
Issuance senior notes, stated percentage		8.25%
Notes issue price percentage		97.055%
Subsequent Event \| C S L Capital Llc \| Consumer CLEC Business \| Senior Notes
Subsequent Event [Line Items]
Proceeds from issuance of debt		$ 0
Subsequent Event \| Windstream Services Llc
Subsequent Event [Line Items]
Proceeds from issuance of debt		62,200,000
Issuers transferred cash proceeds to parent		1,040,000,000
Subsequent Event \| Windstream Services Llc \| Consumer CLEC Business
Subsequent Event [Line Items]
Proceeds from issuance of debt		62,200,000
Issuers transferred cash proceeds to parent		$ 1,040,000,000
Subsequent Event \| Spinoff \| Windstream
Subsequent Event [Line Items]
Common Stock, shares issued		149,800,000
Common Stock, par value		$ 0.0001
Common stock, ownership interest percentage		19.60%
Subsequent Event \| Spinoff \| Windstream \| Consumer CLEC Business
Subsequent Event [Line Items]
Common Stock, shares issued		149,800,000
Common Stock, par value		$ 0.0001
Common stock, ownership interest percentage		19.60%
Amount of assets transferred		$ 2,500,000,000
Subsequent Event \| Spinoff \| Windstream \| Stock Distribution
Subsequent Event [Line Items]
Percentage of stock distributed		80.40%
Subsequent Event \| Spinoff \| Windstream \| Stock Distribution \| Consumer CLEC Business
Subsequent Event [Line Items]
Percentage of stock distributed		80.40%

Customer List Intangible Assets - Schedule of Estimated Amortization Expense (Details) - Consumer CLEC Business - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite Lived Intangible Assets [Line Items]
Net Carrying Value		$ 13,438	$ 14,452	$ 19,038
Scenario, Forecast
Finite Lived Intangible Assets [Line Items]
2016	$ 3,258		3,922
2017	2,607		3,258
2018	1,994		2,607
2019	1,384		1,994
2020	870		1,384
Thereafter	416		1,287
Net Carrying Value	$ 10,529		$ 14,452

Property, Plant and Equipment - Summary of Net Property, Plant and Equipment (Details) - Distribution Systems - USD ($) $ in Millions	3 Months Ended	24 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 5,997.2	$ 5,956.7	$ 5,737.1
Less accumulated depreciation	(3,466.8)	(3,384.9)	(3,054.1)
Net property, plant and equipment	2,530.4	2,571.8	2,683.0
Land
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	33.0	33.0	29.1
Building and Improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	308.4	305.5	298.3
Poles
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	223.4	223.0	217.1
Fiber
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	1,850.7	1,841.2	1,685.4
Copper
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	3,439.0	3,430.8	3,373.2
Conduit
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	89.5	89.2	89.0
Construction in progress
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 53.2	$ 34.0	$ 45.0
Minimum \| Building and Improvements
Property Plant And Equipment [Line Items]
Depreciable Lives	3 years	3 years
Minimum \| Poles
Property Plant And Equipment [Line Items]
Depreciable Lives	13 years	13 years
Minimum \| Fiber
Property Plant And Equipment [Line Items]
Depreciable Lives	7 years	7 years
Minimum \| Copper
Property Plant And Equipment [Line Items]
Depreciable Lives	7 years	7 years
Minimum \| Conduit
Property Plant And Equipment [Line Items]
Depreciable Lives	13 years	13 years
Maximum \| Building and Improvements
Property Plant And Equipment [Line Items]
Depreciable Lives	40 years	40 years
Maximum \| Poles
Property Plant And Equipment [Line Items]
Depreciable Lives	40 years	40 years
Maximum \| Fiber
Property Plant And Equipment [Line Items]
Depreciable Lives	40 years	40 years
Maximum \| Copper
Property Plant And Equipment [Line Items]
Depreciable Lives	40 years	40 years
Maximum \| Conduit
Property Plant And Equipment [Line Items]
Depreciable Lives	47 years	47 years

Statements of Assets Contributed and Liabilities Assumed (unaudited) - Consumer CLEC Business - USD ($) $ in Thousands	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Assets:
Accounts receivable (less allowance for doubtful accounts of $104 and $146)	$ 1,678	$ 1,912	$ 2,700
Customer list intangible assets, net	13,438	14,452	19,038
Other	311	301	143
Total Assets	15,427	16,665	21,881
Liabilities:
Advance payments and customer deposits	1,085	1,154	1,336
Accrued payroll and commissions	20	39	17
Accrued interconnection costs	1,291	1,209	1,066
Deferred taxes	5,075	5,483	7,240
Total liabilities	7,471	7,885	9,659
Net Assets Contributed	$ 7,956	$ 8,780	$ 12,222

Statements of Revenues and Direct Expenses (unaudited) - Consumer CLEC Business - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues	$ 7,891	$ 9,704	$ 36,015	$ 45,126	$ 63,478
Direct expenses:
Cost of revenues	4,351	5,100	19,060	23,239	32,362
Selling, general, and administrative	15	14	80	121	682
Amortization	1,013	1,173	4,586	5,253	5,921
Total direct expenses	5,379	6,287	23,726	28,613	38,965
Revenues in Excess of Direct Expenses	$ 2,512	$ 3,417	$ 12,289	$ 16,513	$ 24,513

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Basis of Presentation	3 Months Ended	12 Months Ended
Basis of Presentation	Mar. 31, 2015	Dec. 31, 2014
Basis of Presentation	Note 1. Organization and Basis of Presentation Communications Sales & Leasing, Inc. (the "Company", "CS&L", "we", "us" or "our") was incorporated in the state of Delaware in February 2014 and reorganized in the state of Maryland on September 4, 2014. On that date, we issued one share of common stock to our sole stockholder, Windstream Services, LLC ("Windstream Services"), a subsidiary of Windstream Holdings, Inc. ("Windstream Holdings" and, together with its consolidated subsidiaries "Windstream"). The accompanying Condensed Balance Sheet reflects the Company's financial position as of March 31, 2015 and has been prepared for the purpose of complying with the rules and regulations of the Securities and Exchange Commission (the "SEC"), as permitted by the SEC. Additionally, the interim financial statement has been prepared consistent with Article 10 of Regulation S-X. The elements of the financial statement are stated in accordance with accounting principles generally accepted in the United States ("GAAP"). Certain information and footnote disclosures have been condensed or omitted as permitted by the SEC's rules and regulations. In the opinion of management, all adjustments considered necessary for a fair statement of the results of the interim periods presented have been included. The results of operations for the interim periods are not necessarily indicative of results for the full year.
Consumer CLEC Business
Basis of Presentation	Note 2. Basis of Presentation The accompanying unaudited Statement of Assets Contributed and Liabilities Assumed of the Consumer CLEC Business as of March 31, 2015 and December 31, 2014 and the related Statements of Revenues and Direct Expenses for the three months ended March 31, 2015 and 2014 have been prepared for the purpose of complying with the rules and regulations of the Securities and Exchange Commission (the "SEC"), as permitted by the SEC and are not intended to be a complete presentation of the financial position or results of operations of the Consumer CLEC Business. Additionally, the interim financial statements have been prepared consistent with Article 10 of Regulation S-X. The elements of the financial statements are stated in accordance with accounting principles generally accepted in the United States ("GAAP"). Certain information and footnote disclosures have been condensed or omitted as permitted by the SEC's rules and regulations. In the opinion of management, all adjustments considered necessary for a fair statement of the results of the interim periods presented have been included. The results of operations for the interim periods are not necessarily indicative of results for the full year. The accompanying Statements of Assets Contributed and Liabilities Assumed include only certain assets and liabilities directly related to the Consumer CLEC Business that were transferred by Windstream to CS&L pursuant to the Separation and Distribution Agreement between CS&L and Windstream dated March 26, 2015. Windstream has retained certain assets and liabilities of the Consumer CLEC Business consisting of the following: cash and cash equivalents, intercompany receivables and payables, certain trade accounts payable, liabilities related to employee benefit plans, income taxes payable and deferred income taxes. Accordingly, the assets and liabilities retained by Windstream have been excluded from the Statements of Assets Contributed and Liabilities Assumed. In addition, the Consumer CLEC Business primarily uses leased network facilities to provide telecommunications services to its customers and does not hold legal title to any property, plant and equipment. The accompanying Statements of Revenues and Direct Expenses include all direct costs incurred in connection with the operation of the Consumer CLEC Business for which specific identification was practicable. In addition, direct costs incurred by Windstream to operate the Consumer CLEC Business for which specific identification was not practicable have been allocated based on assumptions that Windstream management believes reasonable under the circumstances as more fully discussed in Note 6. The Statements of Revenues and Direct Expenses exclude costs that are not directly related to the Consumer CLEC Business including general corporate overhead costs, interest expense and income taxes. These costs will be incurred by the Consumer CLEC Business in the future when it operates on a standalone basis.	2. Basis of Presentation: The accompanying Statements of Assets Contributed and Liabilities Assumed as of December 31, 2014 and 2013 and the related Statements of Revenues and Direct Expenses for each of the three years in the period ended December 31, 2014 have been prepared for the purpose of complying with the rules and regulations of the Securities and Exchange Commission (the "SEC"), as permitted by the SEC, and are not intended to be a complete presentation of the financial position or results of operations of the consumer CLEC business. The elements of the financial statements are stated in accordance with accounting principles generally accepted in the United States ("GAAP"). The assets to be contributed and liabilities assumed of the consumer CLEC business presented in the accompanying financial statements reflect Windstream's historical carrying value of the assets and liabilities as of the financial statement date consistent with the accounting for spin-off transactions in accordance with GAAP. The accompanying Statements of Assets Contributed and Liabilities Assumed include only certain assets and liabilities directly related to the consumer CLEC business that will be transferred pursuant to the Separation and Distribution Agreement, which will be executed between Communication Sales & Leasing, Inc. and Windstream. Windstream will retain certain assets and liabilities of the consumer CLEC business consisting of the following: cash and cash equivalents, intercompany receivables and payables, certain trade accounts payable, liabilities related to employee benefit plans, and income taxes payable. Accordingly, the assets and liabilities to be retained by Windstream have been excluded from the Statements of Assets Acquired and Liabilities Assumed. In addition, the consumer CLEC business primarily uses leased network facilities to provide telecommunications services to its customers and does not hold legal title to any property, plant and equipment. The accompanying Statements of Revenues and Direct Expenses include all direct costs incurred in connection with the operation of the consumer CLEC business for which specific identification was practical. In addition, direct costs incurred by Windstream to operate the consumer CLEC business for which specific identification was not practical have been allocated based on assumptions that Windstream management believes reasonable under the circumstances as more fully discussed in Note 6. The Statements of Revenues and Direct Expenses exclude costs that are not directly related to the consumer CLEC business including general corporate overhead costs, interest expense and income taxes. These costs will be incurred by the consumer CLEC business in the future when it operates on a standalone basis.
Distribution Systems
Basis of Presentation	2. Basis of Presentation The accompanying balance sheets reflect the Distribution System assets of Windstream that were transferred to CS&L in connection with the Spin-Off. The balance sheets presented herein are combined on the basis of common control. The accompanying balance sheets have been prepared in accordance with accounting principles generally accepted in the United States ("GAAP") and have been derived from the accounting records of Windstream. The Distribution System assets presented in the accompanying balance sheets reflect Windstream's historical carrying value of the assets as of the balance sheet dates consistent with the accounting for spin-off transactions in accordance with GAAP.	2. Basis of Presentation: The accompanying balance sheets reflect the telecommunications distribution system assets of Windstream that will be transferred to CSL in the planned separation and spin-off. The balance sheets presented herein are combined on the basis of common control. The accompanying balance sheets have been prepared in accordance with accounting principles generally accepted in the United States ("GAAP") and have been derived from the accounting records of Windstream. The telecommunications distribution system assets presented in the accompanying balance sheets reflect Windstream's historical carrying value of the assets as of the balance sheet dates consistent with the accounting for spin-off transactions in accordance with GAAP.

Summary of Significant Accounting Policies	3 Months Ended	12 Months Ended
Summary of Significant Accounting Policies	Mar. 31, 2015	Dec. 31, 2014
Consumer CLEC Business
Summary Of Significant Accounting Policies [Line Items]
Summary of Significant Accounting Policies	Note 3. Summary of Significant Accounting Policies Use of Estimates—The preparation of financial statements, in accordance with GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and disclosure of contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statements are based upon management's evaluation of the relevant facts and circumstances as of the date of the financial statements. Actual results may differ from the estimates and assumptions used in preparing the accompanying financial statements, and such differences could be material. Accounts Receivable—Accounts receivable consist of trade receivables from customers and are generally unsecured and due within 30 days. Expected credit losses related to trade accounts receivable are recorded as an allowance for doubtful accounts in the accompanying Statements of Assets Contributed and Liabilities Assumed. In establishing the allowance for doubtful accounts, management considers a number of factors, including historical collection experience, aging of the accounts receivable balances and current economic conditions. When internal collection efforts on accounts have been exhausted, the accounts are written off by reducing the allowance for doubtful accounts. The provision for doubtful accounts, which is included in cost of service, was $83,000 and $149,000 for the three-months ended March 31, 2015 and 2014, respectively. Concentration of credit risk with respect to accounts receivable is limited because a large number of geographically diverse customers make up the consumer CLEC customer base. Due to varying customer billing cycle cut-off, management must estimate service revenues earned but not yet billed at the end of each reporting period. Included in accounts receivable are unbilled receivables related to communications services and product sales of $84,000, and $94,000 at March 31, 2015 and December 31, 2014, respectively. Customer List Intangible Assets—Windstream acquired certain consumer CLEC operations and customers through various acquisitions completed prior to 2011. In connection with the purchase price allocation for these acquisitions, Windstream recorded the estimated fair value of consumer CLEC customer list intangible assets at the dates of acquisition. The customer list intangible assets are presented in the financial statements at cost less accumulated amortization and are amortized using the sum-of-the-digits method over their estimated useful lives. Income Taxes—The operations of the Consumer CLEC Business have historically been included in Windstream's federal and state income tax returns and all income tax liabilities have been paid by Windstream. Income tax information included in the financial statements is presented on a separate tax return basis. Management believes that the assumptions and estimates used to determine the tax amounts are reasonable. However, the financial statements herein may not necessarily reflect the income tax liabilities or future income tax payments if the Consumer CLEC Business had been operated as a stand-alone business during the periods presented. Deferred income taxes are recognized in accordance with guidance on accounting for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax balances are adjusted to reflect tax rates based on currently enacted tax laws, which will be in effect in the years in which the temporary differences are expected to reverse. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period of the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets unless it is more likely than not that such assets will be realized. Revenue Recognition—Service revenues are primarily derived from providing access to or usage of leased networks and facilities. Service revenues are recognized over the period that the corresponding services are rendered to customers. Revenues derived from other telecommunications services, including broadband, long distance and enhanced service revenues are recognized monthly as services are provided. Sales of customer premise equipment and modems are recognized when products are delivered to and accepted by customers. Recently Issued Accounting Standards—In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers ("ASU 2014-09"). The standard outlines a single comprehensive revenue recognition model for entities to follow in accounting for revenue from contracts with customers and supersedes most current revenue recognition guidance, including industry-specific guidance. The core principle of the revenue model is that an entity should recognize revenue for the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled to receive for those goods or services. ASU 2014-09 is effective for annual periods beginning after December 15, 2017 and interim periods within those annual periods. Early adoption is not permitted. Management is in the process of determining the method of adoption and assessing the impact of the ASU on the consumer CLEC financial statements. Subsequent Events—The accompanying financial statements of the Consumer CLEC Business are derived from the consolidated financial statements of Windstream, which issued its interim unaudited consolidated financial statements as of and for the quarterly period ended March 31, 2015 on May 7, 2015. Accordingly, management has evaluated transactions for consideration as recognized subsequent events in the accompanying financial statement through the date of May 7, 2015. In addition, management has evaluated transactions that occurred as of the issuance of these financial statements on May 13, 2015 for purposes of disclosure of unrecognized subsequent events. See Note 7 for additional disclosures related to subsequent events.	3. Summary of Significant Accounting Policies: Use of Estimates—The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and disclosure of contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statements are based upon management's evaluation of the relevant facts and circumstances as of the date of the financial statements. Actual results may differ from the estimates and assumptions used in preparing the accompanying financial statements, and such differences could be material. Accounts Receivable—Accounts receivable consist of trade receivables from customers and are generally unsecured and due within 30 days. Expected credit losses related to trade accounts receivable are recorded as an allowance for doubtful accounts in the accompanying Statements of Assets Contributed and Liabilities Assumed. In establishing the allowance for doubtful accounts, management considers a number of factors, including historical collection experience, aging of the accounts receivable balances and current economic conditions. When internal collection efforts on accounts have been exhausted, the accounts are written off by reducing the allowance for doubtful accounts. The provision for doubtful accounts, which is included in cost of service, was $487, $610 and $1,166 for the years ended December 31, 2014, 2013 and 2012, respectively. Concentration of credit risk with respect to accounts receivable is limited because a large number of geographically diverse customers make up the consumer CLEC customer base. Due to varying customer billing cycle cut-off, management must estimate service revenues earned but not yet billed at the end of each reporting period. Included in accounts receivable are unbilled receivables related to communications services and product sales of $94, and $111 at December 31, 2014 and 2013, respectively. Customer List Intangible Assets—Windstream acquired certain consumer CLEC operations and customers through various acquisitions completed prior to 2011. In connection with the purchase price allocation for these acquisitions, Windstream recorded the estimated fair value of consumer CLEC customer list intangible assets at the dates of acquisition. The customer list intangible assets are presented in the financial statements at cost less accumulated amortization and are amortized using the sum-of-the-digits method over their estimated useful lives. Income Taxes—The operations of the consumer CLEC business have historically been included in Windstream's federal and state income tax returns and all income tax liabilities have been paid by Windstream. Income tax information included in the financial statements is presented on a separate tax return basis. Management believes that the assumptions and estimates used to determine the tax amounts are reasonable. However, the financial statements herein may not necessarily reflect the income tax liabilities or future income tax payments if the consumer CLEC business had been operated as a stand-alone business during the periods presented. Deferred income taxes are recognized in accordance with guidance on accounting for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax balances are adjusted to reflect tax rates based on currently enacted tax laws, which will be in effect in the years in which the temporary differences are expected to reverse. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period of the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets unless it is more likely than not that such assets will be realized. Revenue Recognition—Service revenues are primarily derived from providing access to or usage of leased networks and facilities. Service revenues are recognized over the period that the corresponding services are rendered to customers. Revenues derived from other telecommunications services, including broadband, long distance and enhanced service revenues are recognized monthly as services are provided. Sales of customer premise equipment and modems are recognized when products are delivered to and accepted by customers. Recently Issued Accounting Standards—In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers ("ASU 2014-09"). The standard outlines a single comprehensive revenue recognition model for entities to follow in accounting for revenue from contracts with customers and supersedes most current revenue recognition guidance, including industry-specific guidance. The core principle of the revenue model is that an entity should recognize revenue for the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled to receive for those goods or services. ASU 2014-09 is effective for annual periods beginning after December 15, 2016 and interim periods within those annual periods. Early adoption is not permitted. Management is in the process of determining the method of adoption and assessing the impact of the ASU on the consumer CLEC financial statements. Subsequent Events—The accompanying financial statements of the consumer CLEC business are derived from the consolidated financial statements of Windstream, which issued its annual consolidated financial statements on February 24, 2015. Accordingly, management has evaluated transactions for consideration as recognized subsequent events in these financial statements through the date of February 24, 2015. In addition, management has evaluated transactions that occurred as of the issuance of these financial statements, March 12, 2015, for purposes of disclosure of unrecognized subsequent events. No additional disclosures are required other than those matters that are reflected within these financial statements.
Distribution Systems
Summary Of Significant Accounting Policies [Line Items]
Summary of Significant Accounting Policies	3. Summary of Significant Accounting Policies Use of Estimates—The preparation of financial statements, in accordance with GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and disclosure of contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statement are based upon management's evaluation of the relevant facts and circumstances as of the date of the financial statement. Actual results may differ from the estimates and assumptions used in preparing the accompanying financial statement, and such differences could be material. Property, Plant and Equipment—Property, plant and equipment are stated at original cost, less accumulated depreciation. Property, plant and equipment consists of land and central office buildings, copper and fiber optic cable lines, telephone poles, underground conduits, concrete pads, pedestals, guy wires, anchors, and attachment hardware. The costs of additions, replacements, substantial improvements and extension of the network to the customer premise, including related labor costs, are capitalized, while the costs of maintenance and repairs are expensed as incurred. Interest costs incurred in connection with the acquisition or construction of plant assets are capitalized and included in the cost of the asset. Certain property, plant and equipment is depreciated using a group composite depreciation method. Under this method, when property is retired, the original cost, net of salvage value, is charged against accumulated depreciation and no immediate gain or loss is recognized on the disposition of the property. For all other property, depreciation is computed using the straight-line method over the estimated useful life of the respective property, and when the property is retired or otherwise disposed of, the related cost and accumulated depreciation are written-off, with the corresponding gain or loss reflected in operating results. Impairment of Long-Lived Assets—Management reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset group may not be recoverable from future, undiscounted net cash flows expected to be generated by the asset group. If the asset group is not fully recoverable, an impairment loss would be recognized for the difference between the carrying value of the asset group and its estimated fair value based on discounted net future cash flows. Subsequent Events—The accompanying balance sheets are derived from the consolidated financial statements of Windstream, which issued its interim unaudited consolidated financial statements as of and for the quarterly period ended March 31, 2015 on May 7, 2015. Accordingly, management has evaluated transactions for consideration as recognized subsequent events in the accompanying financial statement through the date of May 7, 2015. In addition, management has evaluated transactions that occurred as of the issuance of these financial statements on May 13, 2015 for purposes of disclosure of unrecognized subsequent events. No additional disclosures are required other than those matters that are reflected within this financial statement.	3. Summary of Significant Accounting Policies: Use of Estimates—The preparation of financial statements, in accordance with GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and disclosure of contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statement are based upon management's evaluation of the relevant facts and circumstances as of the date of the financial statement. Actual results may differ from the estimates and assumptions used in preparing the accompanying financial statement, and such differences could be material. Property, Plant and Equipment—Property, plant and equipment are stated at original cost, less accumulated depreciation. Property, plant and equipment consists of land and central office buildings, copper and fiber optic cable lines, telephone poles, underground conduits, concrete pads, pedestals, guy wires, anchors, and attachment hardware. The costs of additions, replacements, substantial improvements and extension of the network to the customer premise, including related labor costs, are capitalized, while the costs of maintenance and repairs are expensed as incurred. Interest costs incurred in connection with the acquisition or construction of plant assets are capitalized and included in the cost of the asset. Certain property, plant and equipment is depreciated using a group composite depreciation method. Under this method, when plant is retired, the original cost, net of salvage value, is charged against accumulated depreciation and no immediate gain or loss is recognized on the disposition of the property. For all other property, depreciation is computed using the straight-line method over the estimated useful life of the respective property, and when the property is retired or otherwise disposed of, the related cost and accumulated depreciation are written-off, with the corresponding gain or loss reflected in operating results. Impairment of Long-Lived Assets—Management reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset group may not be recoverable from future, undiscounted net cash flows expected to be generated by the asset group. If the asset group is not fully recoverable, an impairment loss would be recognized for the difference between the carrying value of the asset group and its estimated fair value based on discounted net future cash flows. Subsequent Events—The accompanying balance sheets are derived from the consolidated financial statements of Windstream, which issued its annual consolidated financial statements on February 24, 2015. Accordingly, management has evaluated transactions for consideration as recognized subsequent events in the accompanying financial statement through the date of February 24, 2015. In addition, management has evaluated transactions that occurred as of the issuance of the financial statements on March 12, 2015. for purposes of disclosure of unrecognized subsequent events. No additional disclosures are required other than those matters that are reflected within this financial statement.

Customer List Intangible Assets (Tables) - Consumer CLEC Business

3 Months Ended

12 Months Ended

Mar. 31, 2015

Dec. 31, 2014

Finite Lived Intangible Assets [Line Items]

Schedule of Carrying Value of the Intangible Assets

The carrying value of the customer list intangible assets at each reporting period was as follows:

	March 31, 2015						December 31, 2014
	Gross		Accumulated		Net Carrying		Gross		Accumulated		Net Carrying
(Thousands)	Cost		Amortization		Value		Cost		Amortization		Value
Customer lists	$	34,501	$	21,063	$	13,438	$	34,501	$	20,049	$	14,452

The carrying value of the customer list intangible assets at each reporting period was as follows:

	December 31, 2014						December 31, 2013

(Thousands)	Gross Cost		Accumulated Amortization		Net Carrying Value		Gross Cost		Accumulated Amortization		Net Carrying Value
Customer lists	$	34,501	$	20,049	$	14,452	$	34,501	$	15,463	$	19,038

Schedule of Estimated Amortization Expense

Amortization expense is estimated to be as follows for the years ended December 31:

Year	(Thousands)
2016	$	3,258
2017		2,607
2018		1,994
2019		1,384
2020		870
Thereafter		416
Total	$	10,529

Amortization expense is estimated to be as follows for the years ended December 31:

Year	(Thousands)

2015	$	3,922
2016		3,258
2017		2,607
2018		1,994
2019		1,384
Thereafter		1,287

Total	$	14,452

Property, Plant and Equipment (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2015

Dec. 31, 2014

Distribution Systems

Summary of Net Property, Plant and Equipment

Net property, plant and equipment consisted of the following as of each reporting period:

($ in Millions)	Depreciable Lives	March 31, 2015			December 31, 2014
Land		$	33.0		$	33.0
Building and Improvements	3 - 40 years		308.4			305.5
Poles	13 - 40 years		223.4			223.0
Fiber	7 - 40 years		1,850.7			1,841.2
Copper	7 - 40 years		3,439.0			3,430.8
Conduit	13 - 47 years		89.5			89.2
Construction in progress			53.2			34.0
			5,997.2			5,956.7
Less accumulated depreciation			(3,466.8	)		(3,384.9	)
Net property, plant and equipment		$	2,530.4		$	2,571.8

Net property, plant and equipment consisted of the following as of:

(Millions)	Depreciable Lives	December 31, 2014			December 31, 2013

Land		$	33.0		$	29.1
Building and improvements	3 - 40 years		305.5			298.3
Poles	13 - 40 years		223.0			217.1
Fiber	7 - 40 years		1,841.2			1,685.4
Copper	7 - 40 years		3,430.8			3,373.2
Conduit	13 - 47 years		89.2			89.0
Construction in progress			34.0			45.0

			5,956.7			5,737.1
Less accumulated depreciation			(3,384.9	)		(3,054.1	)

Net property, plant and equipment		$	2,571.8		$	2,683.0

Customer List Intangible Assets - Schedule of Estimated Amortization Expense (Details) - Consumer CLEC Business - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite Lived Intangible Assets [Line Items]
Net Carrying Value		$ 13,438	$ 14,452	$ 19,038
Forecast
Finite Lived Intangible Assets [Line Items]
2015	$ 3,258		3,922
2016	2,607		3,258
2017	1,994		2,607
2018	1,384		1,994
2019	870		1,384
Thereafter	416		1,287
Net Carrying Value	$ 10,529		$ 14,452

Property, Plant and Equipment - Summary of Net Property, Plant and Equipment (Details) - Distribution Systems - USD ($) $ in Millions	3 Months Ended	24 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 5,997.2	$ 5,956.7	$ 5,737.1
Less accumulated depreciation	(3,466.8)	(3,384.9)	(3,054.1)
Net property, plant and equipment	2,530.4	2,571.8	2,683.0
Land
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	33.0	33.0	29.1
Building and Improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	308.4	305.5	298.3
Poles
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	223.4	223.0	217.1
Fiber
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	1,850.7	1,841.2	1,685.4
Copper
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	3,439.0	3,430.8	3,373.2
Conduit
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	89.5	89.2	89.0
Construction in progress
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 53.2	$ 34.0	$ 45.0
Minimum \| Building and Improvements
Property Plant And Equipment [Line Items]
Depreciable Lives	3 years	3 years
Minimum \| Poles
Property Plant And Equipment [Line Items]
Depreciable Lives	13 years	13 years
Minimum \| Fiber
Property Plant And Equipment [Line Items]
Depreciable Lives	7 years	7 years
Minimum \| Copper
Property Plant And Equipment [Line Items]
Depreciable Lives	7 years	7 years
Minimum \| Conduit
Property Plant And Equipment [Line Items]
Depreciable Lives	13 years	13 years
Maximum \| Building and Improvements
Property Plant And Equipment [Line Items]
Depreciable Lives	40 years	40 years
Maximum \| Poles
Property Plant And Equipment [Line Items]
Depreciable Lives	40 years	40 years
Maximum \| Fiber
Property Plant And Equipment [Line Items]
Depreciable Lives	40 years	40 years
Maximum \| Copper
Property Plant And Equipment [Line Items]
Depreciable Lives	40 years	40 years
Maximum \| Conduit
Property Plant And Equipment [Line Items]
Depreciable Lives	47 years	47 years

SCHEDULE III - Real Estate and Accumulated Depreciation (Details) - Distribution Systems - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Distribution Systems and Accumulated Depreciation
Gross Amount Carried at Close of Period	$ 5,956,705	$ 5,737,155
Accumulated Depreciation	(3,384,920)	$ (3,054,154)
Land
Distribution Systems and Accumulated Depreciation
Gross Amount Carried at Close of Period	32,992
Building and Improvements
Distribution Systems and Accumulated Depreciation
Gross Amount Carried at Close of Period	305,559
Accumulated Depreciation	$ (133,121)
Building and Improvements \| Minimum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	3 years
Building and Improvements \| Maximum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	40 years
Poles
Distribution Systems and Accumulated Depreciation
Gross Amount Carried at Close of Period	$ 222,933
Accumulated Depreciation	$ (171,927)
Poles \| Minimum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	13 years
Poles \| Maximum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	40 years
Fiber
Distribution Systems and Accumulated Depreciation
Gross Amount Carried at Close of Period	$ 1,841,227
Accumulated Depreciation	$ (582,029)
Fiber \| Minimum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	7 years
Fiber \| Maximum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	40 years
Copper
Distribution Systems and Accumulated Depreciation
Gross Amount Carried at Close of Period	$ 3,430,810
Accumulated Depreciation	$ (2,448,786)
Copper \| Minimum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	7 years
Copper \| Maximum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	40 years
Conduit
Distribution Systems and Accumulated Depreciation
Gross Amount Carried at Close of Period	$ 89,200
Accumulated Depreciation	$ (49,057)
Conduit \| Minimum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	13 years
Conduit \| Maximum
Distribution Systems and Accumulated Depreciation
Life on which Depreciation in Latest Income Statement is Computed	47 years
Construction in progress
Distribution Systems and Accumulated Depreciation
Gross Amount Carried at Close of Period	$ 33,984

SCHEDULE III - Carrying Cost and Accumulated Depreciation (Details) - Distribution Systems $ in Thousands	12 Months Ended
	Dec. 31, 2014 USD ($)
Carrying cost:
Balance at beginning of period	$ 5,737,155
Improvements	219,550
Balance at close of period	5,956,705
Accumulated depreciation:
Balance at beginning of period	(3,054,154)
Depreciation expense	(343,123)
Other activity	12,357
Balance at close of period	$ (3,384,920)

Statements of Assets Contributed and Liabilities Assumed (Parenthetical) (unaudited) - USD ($) $ in Thousands	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Consumer CLEC Business
Allowance for doubtful accounts	$ 93	$ 104	$ 146

Allocations	3 Months Ended	12 Months Ended
Allocations	Mar. 31, 2015	Dec. 31, 2014
Consumer CLEC Business
Allocations [Line Items]
Allocations	Note 6. Allocations As described in Note 2, the accompanying Statements of Revenues and Direct Expenses of the Consumer CLEC Business include all direct costs incurred in connection with the operation of the Consumer CLEC Business for which specific identification was practicable. In addition, certain costs incurred by Windstream to operate the Consumer CLEC Business for which specific identification was not practicable have been allocated based on revenues and sales. These allocated expenses are included in "Cost of services" and "Selling, general and administrative." General and administrative costs incurred by Windstream not directly related to the Consumer CLEC Business have not been allocated to these operations. Costs not allocated include amounts related to executive management, accounting, treasury and cash management, data processing, legal, human resources and certain occupancy costs.	6. Allocations: As described in Note 1, the accompanying Statements of Revenues and Direct Expenses of the consumer CLEC business include all direct costs incurred in connection with the operation of the consumer CLEC business for which specific identification was practical. In addition, certain costs incurred by Windstream to operate the consumer CLEC business for which specific identification was not practical have been allocated based on revenues and sales. These allocated expenses are included in "Cost of revenues" and "Selling, general and administrative." General and administrative costs incurred by Windstream not directly related to the consumer CLEC business have not been allocated to these operations. Costs not allocated include amounts related to executive management, accounting, treasury and cash management, data processing, legal, human resources and certain occupancy costs.

Customer List Intangible Assets - Additional Information (Details) - Consumer CLEC Business - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Finite Lived Intangible Assets [Line Items]
Amortization	$ 1,013	$ 1,173	$ 4,586	$ 5,253	$ 5,921
Estimated amortization expense remainder	2,900
Customer Lists
Finite Lived Intangible Assets [Line Items]
Amortization	$ 1,000	$ 1,200	$ 4,586	$ 5,253	$ 5,921

Deferred Income Taxes - Schedule of Components of Net Deferred Tax Liability(Details) - Consumer CLEC Business - USD ($) $ in Thousands	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred Tax Liability [Line Items]
Customer list intangible assets	$ (5,111)	$ (5,523)	$ (7,296)
Bad debt reserve	36	40	56
Deferred income taxes, net	(5,075)	(5,483)	(7,240)
Deferred tax assets	36	40	56
Deferred tax liabilities	$ (5,111)	$ (5,523)	$ (7,296)

Statements of Assets Contributed and Liabilities Assumed (Parenthetical) (unaudited) - USD ($) $ in Thousands	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Consumer CLEC Business
Allowance for doubtful accounts	$ 93	$ 104	$ 146

Combined Balance Sheets (unaudited) - Distribution Systems - USD ($) $ in Millions	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Assets:
Property, plant and equipment, net	$ 2,530.4	$ 2,571.8	$ 2,683.0
Total Assets	2,530.4	2,571.8	2,683.0
Equity:
Invested equity	2,530.4	2,571.8	2,683.0
Total Equity	$ 2,530.4	$ 2,571.8	$ 2,683.0

Organization, Consolidation and Presentation of Financial Statements	3 Months Ended
	Mar. 31, 2015
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Organization and Basis of Presentation	Note 1. Organization and Basis of Presentation Communications Sales & Leasing, Inc. (the "Company", "CS&L", "we", "us" or "our") was incorporated in the state of Delaware in February 2014 and reorganized in the state of Maryland on September 4, 2014. On that date, we issued one share of common stock to our sole stockholder, Windstream Services, LLC ("Windstream Services"), a subsidiary of Windstream Holdings, Inc. ("Windstream Holdings" and, together with its consolidated subsidiaries "Windstream"). The accompanying Condensed Balance Sheet reflects the Company's financial position as of March 31, 2015 and has been prepared for the purpose of complying with the rules and regulations of the Securities and Exchange Commission (the "SEC"), as permitted by the SEC. Additionally, the interim financial statement has been prepared consistent with Article 10 of Regulation S-X. The elements of the financial statement are stated in accordance with accounting principles generally accepted in the United States ("GAAP"). Certain information and footnote disclosures have been condensed or omitted as permitted by the SEC's rules and regulations. In the opinion of management, all adjustments considered necessary for a fair statement of the results of the interim periods presented have been included. The results of operations for the interim periods are not necessarily indicative of results for the full year.

Description of Business	3 Months Ended	12 Months Ended
Description of Business	Mar. 31, 2015	Dec. 31, 2014
Consumer CLEC Business
Description of Business	Note 1. Description of Business Communications Sales & Leasing, Inc. (the "Company", "CS&L", "we", "us" or "our") was incorporated in the state of Delaware in February 2014 and reorganized in the state of Maryland on September 4, 2014. On April 24, 2015, in connection with the separation and spin-off of CS&L from Windstream Holdings, Inc. ("Windstream Holdings" and together with its consolidated subsidiaries "Windstream"), Windstream contributed certain telecommunications network assets, including fiber and copper networks and other real estate (the "Distribution Systems") and a small consumer competitive local exchange carrier ("CLEC") business (the "Consumer CLEC Business") to CS&L in exchange for cash, shares of common stock of CS&L and certain indebtedness of CS&L. Windstream Holdings distributed approximately 80.4% of the outstanding common stock of CS&L that it received to existing stockholders of Windstream Holdings in a tax-free spin-off ("Spin-Off'). As a result of the Spin-Off, CS&L is an independent, publicly traded company, primarily engaged in the ownership, acquisition and leasing of communication distribution systems. We generate revenues primarily by leasing communications distribution systems to telecommunications operators in triple-net lease arrangements, under which the tenant is primarily responsible for costs relating to the distribution systems (including property taxes, insurance, and maintenance and repair costs). We intend to elect on our U.S. federal income tax return for the taxable year ending December 31, 2015 to be treated as a real estate investment trust ("REIT"). The Consumer CLEC Business, which historically has been reported as an integrated operation within Windstream, offers voice, broadband, long-distance, and value-added services to residential customers located primarily in rural locations. Substantially all of the network assets used to provide these services to customers are contracted through interconnection agreements with other telecommunications carriers. Prior to the Spin-Off, Windstream ceased accepting new residential customers in the service areas covered by the Consumer CLEC Business. We will elect to treat the Consumer CLEC Business as a "taxable REIT subsidiary" ("TRS") effective on the first day of the first taxable year that CS&L qualifies as a REIT.	1. Description of Business: The consumer Competitive Local Exchange Carrier ("CLEC") business historically has been reported as an integrated operation within Windstream Holdings, Inc. ("Windstream") and offers voice, broadband, long-distance, and value-added services to residential customers located primarily in rural locations. Substantially all of the network assets used to provide these services to customers are contracted through interconnection agreements with other telecommunications carriers. Windstream no longer accepts new residential customers in the service areas covered by its consumer CLEC business.

Concentration of Credit Risks	3 Months Ended	12 Months Ended
Concentration of Credit Risks	Mar. 31, 2015	Dec. 31, 2014
Distribution Systems
Concentration of Credit Risks	5. Concentration of Credit Risks In connection with the Spin-Off, we entered into the Master Lease with Windstream, pursuant to which all real property currently owned by CS&L is leased to Windstream and from which all of CS&L's rental revenues are currently derived. Windstream is a publicly traded company and is subject to the periodic filing requirements of the Securities Exchange Act of 1934, as amended.	5. Concentration of Credit Risks Following the spin-off, all of CSL's real property will be leased to Windstream and all of its rental revenues will be derived from the Master Lease. Windstream is a publicly traded company and is subject to the periodic filing requirements of the Securities and Exchange Act of 1934, as amended. For the year ended December 31, 2014, Windstream had total revenues and sales of approximately $5.8 billion and generated net cash from operations of nearly $1.5 billion. Other than this tenant concentration, management believes the current portfolio of real property is diversified by geographical location and does not contain any other significant concentration of credit risks.

Description of Business - Additional Information (Details)	Apr. 24, 2015
Stock Distribution \| Subsequent Event \| Consumer CLEC Business \| Windstream
Related Party Transaction [Line Items]
Percentage of stock distributed	80.40%

Separation from Windstream Holdings Inc and Description of Transferred Assets (Details)	12 Months Ended
	Dec. 31, 2014
Stock Distribution \| Distribution Systems \| Windstream \| Forecast \| Minimum
Related Party Transaction [Line Items]
Percentage of stock distributed	80.10%