Consolidated Quarterly Financial Data - Unaudited (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
	Aug. 31, 2015	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Total revenues		$ 151,591	$ 143,782	$ 127,419	$ 109,300	$ 108,735	$ 96,152	$ 123,884	$ 89,505	$ 532,091	$ 418,276	$ 124,384
Gross profit		116,349	113,092	84,563	85,474	83,288	73,803	104,205	68,479
Operating expenses		101,764	74,332	66,486	78,026	60,615	75,188	43,081	39,671
Net income (loss)		$ (10,557)	$ 16,196	$ (596)	$ (7,527)	$ 7,201	$ (20,584)	$ 33,258	$ 12,904	$ (2,483)	$ 32,779	$ 135,817
Net income (loss) per share - basic (USD per share)		$ (0.31)	$ 0.47	$ (0.02)	$ (0.22)	$ 0.21	$ (0.62)	$ 1.09	$ 0.47	$ (0.07)	$ 1.04	$ 6.06
Net income (loss) per share - diluted (USD per share)		$ (0.31)	$ 0.43	$ (0.02)	$ (0.22)	$ 0.20	$ (0.62)	$ 0.82	$ 0.39	$ (0.07)	$ 0.93	$ 5.45
Condensed Financial Statements, Captions [Line Items]
Impairment of intangible assets										$ 19,663	$ 0	$ 0
Service revenues, net										99,604	24,132	0
Cost of services										20,575	9,992	0
Loss on debt extinguishment										$ 0	$ (10,449)	$ 0
Term Loan Facility 2014
Condensed Financial Statements, Captions [Line Items]
Repaid remaining outstanding principal debt amount	$ 323,000
Loss on debt extinguishment	(10,400)
CBR Acquisition Holdings Corp
Condensed Financial Statements, Captions [Line Items]
Service revenues, net	24,100
Cost of services	$ 10,000
MuGard Rights
Condensed Financial Statements, Captions [Line Items]
Impairment of intangible assets				$ 15,700