Accounts Payable and Accrued Expenses (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Other Liabilities Disclosure [Abstract]
Accrued employee costs	$ 30,887	$ 22,169
Accrued third party content costs	29,285	36,166
Accounts payable	12,739	11,492
Accrued other	14,494	23,998
Accrued interest	8,334	8,106
Accrued retention and severance costs	502	10,465
Advance deposit received	0	6,000
Total accounts payable and accrued expenses	$ 96,241	$ 118,396