Equity Method Investments - Summarized unaudited financial data (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Summary financial information of equity method investments
Current assets	$ 115,612			$ 115,612		$ 126,364
Current liabilities	79,048			79,048		$ 73,271
Net revenues	54,174		$ 50,460	102,973	$ 88,037
Operating loss	(2,264)		7,178	(7,949)	12,244
Net loss	$ (3,911)		$ (6,341)	$ (17,139)	$ 27,040
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Summary financial information of equity method investments
Current assets		$ 12,434
Non-current assets		22,804
Current liabilities		8,572
Non-current liabilities		80,604
Net revenues		5,334
Operating loss		(4,451)
Net loss		$ (14,410)