SCHEDULE II, VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for Doubtful Accounts - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Allowance for Doubtful Accounts [Roll Forward]
Balance at Beginning of Period	$ 12,112	$ 14,614	$ 13,521
Provision for Bad Debt	35,802	47,611	55,231
Deductions/ Write-Offs and Other Charges	(41,875)	(50,113)	(54,138)
Balance at End of Period	6,039	12,112	14,614
CSC Holdings, LLC
Allowance for Doubtful Accounts [Roll Forward]
Balance at Beginning of Period	12,112	14,614	13,521
Provision for Bad Debt	35,802	47,611	55,231
Deductions/ Write-Offs and Other Charges	(41,875)	(50,113)	(54,138)
Balance at End of Period	$ 6,039	$ 12,112	$ 14,614