Investments and Fair Value Measurements - Investment Category and Length (Details) $ in Thousands	1 Months Ended	3 Months Ended		12 Months Ended
	Jan. 31, 2023 USD ($)	Mar. 31, 2023 USD ($) company	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) company	May 31, 2022 USD ($)	Apr. 30, 2022 USD ($)
Summary of fair value and gross unrealized losses related to available-for-sale securities [Abstract]
Fair value, in loss position less than twelve months		$ 2,113		$ 2,118
Gross unrealized (loss), in loss position less than twelve months		(47)		(42)
Fair value, in loss position greater than twelve months		6,195		8,988
Gross unrealized (loss), in loss position greater than twelve months		(145)		(261)
Fair value, total in loss position		8,308		11,106
Gross unrealized (loss), total in loss position		(192)		(303)
Restricted Cash
Proceeds from bank loans		18,372	$ 10,718
Restricted cash		9,457		6,400
Minority Investments
Investments, equity method		$ 16,546		$ 14,607
Number of equity method investments | company		5		5
Bank Of Beijing
Restricted Cash
Maximum borrowing capacity					$ 3,400
Bank Of Beijing | Secured debt
Restricted Cash
Time deposit				$ 2,500	$ 1,000	$ 2,900
Proceeds from bank loans	$ 2,300
Bank Of China | Secured debt
Restricted Cash
Time deposit	3,000
Proceeds from bank loans	$ 2,900
Certificates of deposit.
Summary of fair value and gross unrealized losses related to available-for-sale securities [Abstract]
Fair value, in loss position less than twelve months		$ 2,113		2,118
Gross unrealized (loss), in loss position less than twelve months		(47)		(42)
Fair value, in loss position greater than twelve months		4,179		4,146
Gross unrealized (loss), in loss position greater than twelve months		(101)		(133)
Fair value, total in loss position		6,292		6,264
Gross unrealized (loss), total in loss position		(148)		(175)
Corporate bonds
Summary of fair value and gross unrealized losses related to available-for-sale securities [Abstract]
Fair value, in loss position greater than twelve months		2,016		4,842
Gross unrealized (loss), in loss position greater than twelve months		(44)		(128)
Fair value, total in loss position		2,016		4,842
Gross unrealized (loss), total in loss position		(44)		(128)
Other assets
Minority Investments
Investments, equity method		$ 16,500		$ 14,600