Schedule I - Condensed Financial Information of The Registrant (Parent Company) - Statements of Comprehensive Income (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended						8 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2016
Costs and Expenses:
Interest expense								$ 181,797	$ 275,394
General and administrative expense								11,208	35,402
Transaction related costs								5,210	33,669
Total costs and expenses								450,706	770,103
Income before income taxes	$ 8,532	$ (4,752)	$ (2,215)	$ (1,208)	$ 8,480	$ 7,405	$ 9,671	25,608	305
Net (loss) income	$ 8,301	$ (4,370)	$ (2,343)	$ (1,535)	$ 8,036	$ 7,166	$ 9,403	24,870	(212)
Comprehensive (loss) income								19,443	(1,154)
CS&L, Inc.
Costs and Expenses:
Interest expense								181,797	267,959
General and administrative expense								1,934	4,829
Transaction related costs									3,945
Total costs and expenses								183,731	276,733
Operating loss								(183,731)	(276,733)
Earnings from consolidated subsidiaries								208,601	276,521
Income before income taxes								24,870	(212)
Net (loss) income								24,870	(212)
Comprehensive (loss) income								$ 19,443	$ (1,154)