Equity Method Investments - Summarized unaudited financial data (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Summary financial information of equity method investments
Current assets	$ 117,250	$ 126,364
Current liabilities	74,177	73,271
Net revenues	48,799		$ 37,577
Operating loss	(5,685)		5,066
Net loss	$ (13,228)		$ 33,381
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Summary financial information of equity method investments
Current assets		13,806
Non-current assets		20,595
Current liabilities		76,961
Non-current liabilities		4,192
Net revenues		2,991
Operating loss		(2,435)
Net loss		$ (10,903)