Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Loss carryforwards	$ 38,377	$ 48,722
Accrued expenses	7,748	7,134
Fixed assets	6,327	8,697
Debt	9,991	11,611
Credit carryforwards	2,576	1,378
Stock-based compensation	1,216	701
Other	51	599
Deferred tax assets	66,286	78,842
Deferred tax liabilities:
Identified intangibles	(143,823)	(145,053)
Investment in partnerships	(2,742)	(2,008)
Prepaid expenses	(2,804)	(1,906)
Other	(100)	(97)
Deferred tax liabilities	(149,469)	(149,064)
Valuation allowance	(7,202)	(8,575)
Net deferred tax liabilities	$ (90,385)	$ (78,797)