CSC HOLDINGS - CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts receivable, trade allowance for doubtful accounts	$ 14,683	$ 13,520
Property, plant and equipment, accumulated depreciation	5,276,921	4,044,671
Amortizable intangible assets, accumulated amortization	3,670,679	2,882,787
Customer Relationships [Member]
Amortizable intangible assets, accumulated amortization	2,843,561	2,162,110
Other Intangible Assets [Member]
Amortizable intangible assets, accumulated amortization	28,634	18,679
CSC Holdings
Accounts receivable, trade allowance for doubtful accounts	14,683	13,520
Property, plant and equipment, accumulated depreciation	5,276,921	4,044,671
Amortizable intangible assets, accumulated amortization	$ 3,670,679	$ 2,882,787
Members' Equity	100	100
Common Unit, Outstanding	100	100