Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue:
Total revenue	$ 118,342	$ 114,114	$ 433,007	$ 401,370
Direct and selling, general and administrative expenses:
Direct	75,650	67,995	232,132	214,039
Selling, general and administrative	23,008	22,034	76,713	66,237
Depreciation and amortization	13,808	13,022	40,093	38,809
Insurance proceeds	0	(179)	0	(309)
Direct and selling, general and administrative expenses	112,466	102,872	348,938	318,776
Operating income	5,876	11,242	84,069	82,594
Interest expense	(13,099)	(13,418)	(41,187)	(40,619)
Loss on extinguishment of debt	0	0	(12,526)	0
Other income (expense), net	1,782	(225)	1,191	(2,414)
Net (loss) income before tax	(5,441)	(2,401)	31,547	39,561
Income tax (provision) benefit	(226)	841	(20,105)	5,270
Net (loss) income	(5,667)	(1,560)	11,442	44,831
Other comprehensive income (loss), net of taxes:
Benefit obligation gain (loss)	11	35	(31)	44
Other comprehensive income (loss)	11	35	(31)	44
Total comprehensive (loss) income	(5,656)	(1,525)	11,411	44,875
Dividends of cumulative redeemable preferred shares	0	(11,469)	(7,922)	(33,164)
Non-cash dividend to warrant holders	0	0	(879)	0
Net (loss) income available to ordinary shareholders	$ (5,667)	$ (13,029)	$ 2,641	$ 11,667
(Losses) earnings per share - Basic (in dollars per share)	$ (0.05)	$ (0.26)	$ 0.03	$ 0.12
(Losses) earnings per share - Diluted (in dollars per share)	$ (0.05)	$ (0.26)	$ 0.03	$ 0.12
Weighted average number of shares outstanding during the period - Basic (in shares)	110,286,197	50,481,822	92,377,968	50,481,822
Weighted average number of shares outstanding during the period - Diluted (in shares)	110,286,197	50,481,822	92,453,447	50,481,822
Package
Revenue:
Total revenue	$ 102,093	$ 99,798	$ 373,502	$ 348,808
Non-package
Revenue:
Total revenue	$ 16,249	$ 14,316	$ 59,505	$ 52,562