Variable Interest Entity - Summary of Total Assets, Liabilities, and Equity of the Company's Consolidated VEI (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Total assets	$ 1,570,068	$ 1,566,374
Total liabilities	289,365	305,615
Total equity	443,980	$ 418,777	$ 35,412	$ 36,019
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Total assets	1,569,797
Total liabilities	204,255
Total equity	$ 1,365,542