Investments In and Advances to Equity Method Investees - Summarized Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Balance Sheet Related Disclosures [Abstract]
Current assets	$ 327,931		$ 356,085
Non current assets	52,845		43,744
Current liabilities	241,390		267,300
Noncurrent liabilities	45,333		57,599
Non controlling interests	63,703		$ 70,535
Income Statement Related Disclosures [Abstract]
Revenue	683,982	$ 24,195
Operating loss	(5,187)	(1,501)
Net loss	(9,534)	(1,409)
Net loss attributable to entity	$ (6,756)	$ (442)