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		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization shown separately below)	$ 90,076	$ 96,654	$ 249,612	$ 300,666
Income (loss) from operations	(1,456)	(1,811)	(116,483)	(7,457)
Loss before (provision) benefit for income taxes and share of net income from joint venture	(8,211)	(6,249)	(133,730)	(17,457)
Income (loss) from continuing operations	1,640	(4,836)	(124,003)	(20,806)
Net loss	21,970	(5,855)	(247,969)	(32,656)
Foreign currency translation loss		(11,178)		(11,354)
Comprehensive loss	$ 31,851	$ (17,976)	$ (260,210)	$ (55,771)
Basic income (loss) from continuing operations per common share (in dollars per share)	$ (0.04)	$ (0.12)	$ (3.16)	$ (0.50)
Basic net income (loss) per share (in dollars per share)	0.45	(0.14)	(6.10)	(0.78)
Diluted income (loss) from continuing operations per common share (in dollars per share)	(0.04)	(0.12)	(3.16)	(0.50)
Diluted net income (loss) per share (in dollars per share)	$ 0.45	$ (0.14)	$ (6.10)	$ (0.78)
As Originally Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization shown separately below)		$ 160,816		$ 485,598
Income (loss) from operations		7,672		16,371
Loss before (provision) benefit for income taxes and share of net income from joint venture		(7,159)		(29,704)
Income (loss) from continuing operations		(5,597)		(30,894)
Net loss		(5,597)		(30,894)
Foreign currency translation loss		(11,448)		(11,620)
Comprehensive loss		$ (17,988)		$ (54,275)
Basic income (loss) from continuing operations per common share (in dollars per share)		$ (0.13)		$ (0.74)
Basic net income (loss) per share (in dollars per share)		(0.13)		(0.74)
Diluted income (loss) from continuing operations per common share (in dollars per share)		(0.13)		(0.74)
Diluted net income (loss) per share (in dollars per share)		$ (0.13)		$ (0.74)
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization shown separately below)		$ 258		$ 1,762
Income (loss) from operations		(258)		(1,762)
Loss before (provision) benefit for income taxes and share of net income from joint venture		(258)		(1,762)
Income (loss) from continuing operations		(258)		(1,762)
Net loss		(258)		(1,762)
Foreign currency translation loss		270		266
Comprehensive loss		$ 12		$ (1,496)
Basic income (loss) from continuing operations per common share (in dollars per share)		$ (0.01)		$ (0.04)
Basic net income (loss) per share (in dollars per share)		(0.01)		(0.04)
Diluted income (loss) from continuing operations per common share (in dollars per share)		(0.01)		(0.04)
Diluted net income (loss) per share (in dollars per share)		$ (0.01)		$ (0.04)
Discontinued Operations Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales (exclusive of depreciation and amortization shown separately below)		$ (64,420)		$ (186,694)
Income (loss) from operations		(9,225)		(22,066)
Loss before (provision) benefit for income taxes and share of net income from joint venture		1,168		14,009
Income (loss) from continuing operations		1,019		11,850
Net loss		0		0
Foreign currency translation loss		0		0
Comprehensive loss		$ 0		$ 0
Basic income (loss) from continuing operations per common share (in dollars per share)		$ 0.02		$ 0.28
Basic net income (loss) per share (in dollars per share)		0		0
Diluted income (loss) from continuing operations per common share (in dollars per share)		0.02		0.28
Diluted net income (loss) per share (in dollars per share)		$ 0		$ 0