Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Payables And Accruals [Abstract]
Accrued employee compensation	$ 21,353	$ 12,588
Other accrued expenses	19,313	9,526
CEE acquisition consideration	5,000
Accrued professional fees	3,480	3,331
Total	$ 49,146	$ 25,445