Supplemental Guarantor Information - Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Aug. 31, 2016	Dec. 31, 2015	Apr. 23, 2015
Assets:
Property, plant and equipment, net	$ 2,670,037		$ 2,374,760
Cash and cash equivalents	171,754		142,498	$ 18
Accounts receivable, net	15,281		2,083
Goodwill	262,334
Intangible assets, net	160,584		10,530
Straight-line revenue receivable	29,088		11,795
Other assets	9,674		970
Total Assets	3,318,752		2,542,636
Liabilities, Convertible Preferred Stock and Shareholders' (Deficit) Equity:
Accounts payable, accrued expenses and other liabilities	40,977		10,409
Accrued interest payable	27,812		24,440
Deferred revenue	261,404		67,817
Derivative liability	6,102		5,427
Dividends payable	94,607		90,507
Deferred income taxes	28,394		5,714
Capital lease obligations	54,535
Contingent consideration	98,600	$ 98,600
Notes and other debt, net	4,028,214		3,505,228
Total liabilities	4,640,645		3,709,542
Shareholders' Deficit:
Common stock	15		15
Additional paid-in capital	141,092		1,392
Accumulated other comprehensive income	(6,369)		(5,427)
Distributions in excess of accumulated earnings	(1,537,183)		(1,162,886)
Total shareholders' deficit	(1,402,445)		(1,166,906)	2,508,420
Total Liabilities, Convertible Preferred Stock, and Shareholders' (Deficit) Equity	3,318,752		2,542,636
Eliminations
Assets:
Affiliate receivable	(2,413)		(151)
Investment in consolidated subsidiaries	(5,599,560)		(5,427,451)
Total Assets	(5,601,973)		(5,427,602)
Liabilities, Convertible Preferred Stock and Shareholders' (Deficit) Equity:
Accrued interest payable	(27,812)		(24,440)
Derivative liability	(6,102)		(5,427)
Affiliate payable	(2,413)		(151)
Notes and other debt, net	(4,028,214)		(3,505,228)
Total liabilities	(4,064,541)		(3,535,246)
Shareholders' Deficit:
Accumulated other comprehensive income	6,369		5,427
Distributions in excess of accumulated earnings	(1,543,801)		(1,897,783)
Total shareholders' deficit	(1,537,432)		(1,892,356)
Total Liabilities, Convertible Preferred Stock, and Shareholders' (Deficit) Equity	(5,601,973)		(5,427,602)
Series A Convertible Preferred Stock
Liabilities, Convertible Preferred Stock and Shareholders' (Deficit) Equity:
Convertible preferred stock	80,552
CS&L, Inc.
Assets:
Cash and cash equivalents	131,145		17
Accounts receivable, net	(3)
Investment in consolidated subsidiaries	2,801,234		2,458,679
Other assets	1,066
Total Assets	2,933,442		2,458,696
Liabilities, Convertible Preferred Stock and Shareholders' (Deficit) Equity:
Accrued interest payable	27,812		24,440
Derivative liability	6,102		5,427
Dividends payable	94,607		90,507
Contingent consideration	98,600
Notes and other debt, net	4,028,214		3,505,228
Total liabilities	4,255,335		3,625,602
Shareholders' Deficit:
Common stock	15		15
Additional paid-in capital	141,092		1,392
Accumulated other comprehensive income	(6,369)		(5,427)
Distributions in excess of accumulated earnings	(1,537,183)		(1,162,886)
Total shareholders' deficit	(1,402,445)		(1,166,906)
Total Liabilities, Convertible Preferred Stock, and Shareholders' (Deficit) Equity	2,933,442		2,458,696
CS&L, Inc. | Series A Convertible Preferred Stock
Liabilities, Convertible Preferred Stock and Shareholders' (Deficit) Equity:
Convertible preferred stock	80,552
CSL Capital, LLC
Assets:
Investment in consolidated subsidiaries	2,036,717		2,458,679
Total Assets	2,036,717		2,458,679
Liabilities, Convertible Preferred Stock and Shareholders' (Deficit) Equity:
Accrued interest payable	27,812		24,440
Derivative liability	6,102		5,427
Notes and other debt, net	4,028,214		3,505,228
Total liabilities	4,062,128		3,535,095
Shareholders' Deficit:
Accumulated other comprehensive income	(6,102)		(5,427)
Distributions in excess of accumulated earnings	(2,019,309)		(1,070,989)
Total shareholders' deficit	(2,025,411)		(1,076,416)
Total Liabilities, Convertible Preferred Stock, and Shareholders' (Deficit) Equity	2,036,717		2,458,679
Guarantors
Assets:
Property, plant and equipment, net	1,975,455		1,841,712
Cash and cash equivalents	32,426		140,197	$ 18
Accounts receivable, net	8,989		474
Affiliate receivable			151
Goodwill	145,054
Intangible assets, net	37,033
Straight-line revenue receivable	29,084		11,795
Investment in consolidated subsidiaries	761,609		510,093
Other assets	6,567		672
Total Assets	2,996,217		2,505,094
Liabilities, Convertible Preferred Stock and Shareholders' (Deficit) Equity:
Accounts payable, accrued expenses and other liabilities	25,081		9,204
Deferred revenue	157,857		44,862
Affiliate payable	2,413
Deferred income taxes	1,603		1,677
Capital lease obligations	47,977
Total liabilities	234,931		55,743
Shareholders' Deficit:
Distributions in excess of accumulated earnings	2,761,286		2,449,351
Total shareholders' deficit	2,761,286		2,449,351
Total Liabilities, Convertible Preferred Stock, and Shareholders' (Deficit) Equity	2,996,217		2,505,094
Non-Guarantors
Assets:
Property, plant and equipment, net	694,582		533,048
Cash and cash equivalents	8,183		2,284
Accounts receivable, net	6,295		1,609
Affiliate receivable	2,413
Goodwill	117,280
Intangible assets, net	123,551		10,530
Straight-line revenue receivable	4
Other assets	2,041		298
Total Assets	954,349		547,769
Liabilities, Convertible Preferred Stock and Shareholders' (Deficit) Equity:
Accounts payable, accrued expenses and other liabilities	15,896		1,205
Deferred revenue	103,547		22,955
Affiliate payable			151
Deferred income taxes	26,791		4,037
Capital lease obligations	6,558
Total liabilities	152,792		28,348
Shareholders' Deficit:
Accumulated other comprehensive income	(267)
Distributions in excess of accumulated earnings	801,824		519,421
Total shareholders' deficit	801,557		519,421
Total Liabilities, Convertible Preferred Stock, and Shareholders' (Deficit) Equity	$ 954,349		$ 547,769