Prior Periods Financial Statement Revision - Schedule of Correction of Misstatements and Revision on Consolidated Statement of Operations and Comprehensive Income (Loss) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization shown separately below)	$ 115,389	$ 164,099	$ 267,630	$ 326,286
Income (loss) from operations	(8,206)	7,512	(253,538)	7,195
Loss before (provision) benefit for income taxes and share of net income from joint venture	(26,021)	(6,503)	(289,550)	(24,049)
Net loss	(21,748)	(7,283)	(269,939)	(26,801)
Foreign currency translation gain (loss)		(1,497)		(176)
Comprehensive income (loss)	$ (19,371)	$ (15,742)	$ (292,061)	$ (37,795)
Basic - net loss per share (in dollars per share)	$ (0.59)	$ (0.17)	$ (6.55)	$ (0.64)
Diluted - net loss per share (in dollars per share)	$ (0.59)	$ (0.17)	$ (6.55)	$ (0.64)
Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization shown separately below)		$ 163,513		$ 324,782
Income (loss) from operations		8,098		8,699
Loss before (provision) benefit for income taxes and share of net income from joint venture		(5,917)		(22,545)
Net loss		(6,697)		(25,297)
Foreign currency translation gain (loss)		(1,434)		(172)
Comprehensive income (loss)		$ (15,093)		$ (36,287)
Basic - net loss per share (in dollars per share)		$ (0.16)		$ (0.60)
Diluted - net loss per share (in dollars per share)		$ (0.16)		$ (0.60)
Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization shown separately below)		$ 586		$ 1,504
Income (loss) from operations		(586)		(1,504)
Loss before (provision) benefit for income taxes and share of net income from joint venture		(586)		(1,504)
Net loss		(586)		(1,504)
Foreign currency translation gain (loss)		(63)		(4)
Comprehensive income (loss)		$ (649)		$ (1,508)
Basic - net loss per share (in dollars per share)		$ (0.01)		$ (0.04)
Diluted - net loss per share (in dollars per share)		$ (0.01)		$ (0.04)