Debt - Summary of Debt Obligations, Net of Unamortized Discounts (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Line Of Credit Facility [Line Items]
Total non-related party debt	$ 143,088	$ 143,946
Less current portion	(4,092)	(3,611)
Total non-related party debt, long-term	138,996	140,335
Less current portion		(1,195)
Senior Secured Term Loan
Line Of Credit Facility [Line Items]
Long term debt	118,059	118,936
Subordinated Debt
Line Of Credit Facility [Line Items]
Subordinated debt	24,273	24,240
Capital Lease Obligations
Line Of Credit Facility [Line Items]
Long term debt	$ 756	770
Acquisition-Related Debt
Line Of Credit Facility [Line Items]
Total related party debt		$ 1,195