Investments in Foreign Joint Ventures - Schedule of Financial Information of Foreign Joint Venture (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Assets
Total current assets	$ 9,276						$ 9,276		$ 13,716
Total assets	79,084						79,084		90,326
Liabilities and Equity
Total liabilities	17,654						17,654		22,483
Total joint ventures’ equity	61,430						61,430		67,843
Total liabilities and equity	79,084						79,084		90,326
Net income (loss)	(2,133)	$ (3,463)	$ (1,050)	$ (3,355)	$ (1,038)	$ (559)	(6,646)	$ (4,952)
Bomay | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Assets
Total current assets	60,324						60,324		81,247
Total non-current assets	5,675						5,675		5,775
Total assets	65,999						65,999		87,022
Liabilities and Equity
Total liabilities	37,597						37,597		58,176
Total joint ventures’ equity	28,402						28,402		28,846
Total liabilities and equity	65,999						65,999		$ 87,022
Revenue	17,641			8,466			44,844
Gross Profit	3,224			1,668			7,456
Net income (loss)	$ 1,663			$ 467			$ 3,662