Prior Periods' Financial Statement Revision Prior Periods Financial Statement Revision - Schedule of Correction of Misstatements on Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization)	$ 154,279	$ 161,074	$ 164,099	$ 162,187	$ 156,923	$ 156,510	$ 149,588	$ 126,160	$ 641,639	$ 589,181	$ 460,414
Income (loss) from operations									9,889	(179,864)	31,780
Loss before (provision) benefit for income taxes and share of net income from joint venture									(51,699)	(262,010)	(60,207)
Income tax benefit (expense)									(3,277)	(13,413)	(79,545)
Income (loss) from continuing operations									(46,741)	(262,987)	24,549
Net income (loss)									(46,741)	(262,987)	162,237
Foreign currency translation gain									(3,845)	(13,609)	22,134
Comprehensive income (loss)	$ (4,210)	$ (17,976)	$ (15,742)	$ (22,053)	$ (216,739)	$ (18,134)	$ (40,833)	$ (890)	$ (59,981)	$ (276,596)	$ 175,128
Basic net income (loss) per common share (in usd per share)	$ (0.35)	$ (0.14)	$ (0.17)	$ (0.47)	$ (5.18)	$ (0.48)	$ (0.91)	$ (0.23)	$ (1.13)	$ (8.30)	$ 5.91
Diluted net income (loss) per common share (in usd per share)	$ (0.35)	$ (0.14)	$ (0.17)	$ (0.47)	$ (5.18)	$ (0.48)	$ (0.91)	$ (0.23)	$ (1.13)	$ (8.30)	$ 5.85
Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization)		$ 160,816	$ 163,513	$ 161,269	$ 156,713	$ 156,408	$ 148,640	$ 126,444		$ 588,205	$ 459,080
Income (loss) from operations										(178,888)	33,114
Loss before (provision) benefit for income taxes and share of net income from joint venture										(261,034)	(58,873)
Income tax benefit (expense)										10,957	79,026
Income (loss) from continuing operations										(264,467)	25,364
Net income (loss)										(264,467)	163,052
Foreign currency translation gain										(13,880)	22,094
Comprehensive income (loss)		$ (17,988)	$ (15,093)	$ (21,194)	$ (219,560)	$ (17,977)	$ (40,292)	$ (518)		$ (278,347)	$ 175,903
Basic net income (loss) per common share (in usd per share)		$ (0.13)	$ (0.16)	$ (0.44)	$ (5.25)	$ (0.48)	$ (0.89)	$ (0.22)		$ (8.35)	$ 5.94
Diluted net income (loss) per common share (in usd per share)		$ (0.13)	$ (0.16)	$ (0.44)	$ (5.25)	$ (0.48)	$ (0.89)	$ (0.22)		$ (8.35)	$ 5.87
Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization)		$ 258	$ 586	$ 918	$ 210	$ 102	$ 948	$ (284)		$ 976	$ 1,334
Income (loss) from operations										(976)	(1,334)
Loss before (provision) benefit for income taxes and share of net income from joint venture										(976)	(1,334)
Income tax benefit (expense)										2,456	519
Income (loss) from continuing operations										1,480	(815)
Net income (loss)										1,480	(815)
Foreign currency translation gain										271	40
Comprehensive income (loss)		$ 12	$ (649)	$ (859)	$ 2,821	$ (157)	$ (541)	$ (372)		$ 1,751	$ (775)
Basic net income (loss) per common share (in usd per share)		$ (0.01)	$ (0.01)	$ (0.03)	$ 0.07	$ 0.00	$ (0.02)	$ (0.01)		$ 0.05	$ (0.03)
Diluted net income (loss) per common share (in usd per share)		$ (0.01)	$ (0.01)	$ (0.03)	$ 0.07	$ 0.00	$ (0.02)	$ (0.01)		$ 0.05	$ (0.02)
Continuing Operations As Revised
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization)		$ 161,074	$ 164,099	$ 162,187	$ 156,923	$ 156,510	$ 149,588	$ 126,160		$ 589,181	$ 460,414
Income (loss) from operations										(179,864)	31,780
Loss before (provision) benefit for income taxes and share of net income from joint venture										(262,010)	(60,207)
Income tax benefit (expense)										13,413	79,545
Income (loss) from continuing operations										(262,987)	24,549
Net income (loss)										(262,987)	162,237
Foreign currency translation gain										(13,609)	22,134
Comprehensive income (loss)		$ (17,976)	$ (15,742)	$ (22,053)	$ (216,739)	$ (18,134)	$ (40,833)	$ (890)		$ (276,596)	$ 175,128
Basic net income (loss) per common share (in usd per share)		$ (0.14)	$ (0.17)	$ (0.47)	$ (5.18)	$ (0.48)	$ (0.91)	$ (0.23)		$ (8.30)	$ 5.91
Diluted net income (loss) per common share (in usd per share)		$ (0.14)	$ (0.17)	$ (0.47)	$ (5.18)	$ (0.48)	$ (0.91)	$ (0.23)		$ (8.30)	$ 5.85