Accounts Payable, Accrued Expenses and Other Current Liabilities - Summary of Accounts Payable, Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Accounts payable - trade	$ 36,638	$ 36,788
Accrued programming costs	27,615	26,347
Accrued taxes and fees	16,485	16,720
Advance customer payments	15,142	13,274
Accrued interest	14,705	12,457
Accrued payroll and benefits	14,650	13,308
Accrued service costs	8,679	7,871
Accrued property, plant and equipment	8,288	8,791
Bank overdrafts	5,376	4,617
Liabilities under interest rate exchange agreements	3,212	3,695
Accrued telecommunications costs	783	986
Other accrued expenses	10,555	7,075
Accounts payable, accrued expenses and other current liabilities	$ 162,128	$ 151,929