Variable Interest Entities - Schedule of Consolidated Variable Interest Entities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Investments	$ 252,045	$ 183,179
Other assets	110,605	75,043
Total assets	2,565,307	1,997,140
Other liabilities and accrued expenses	81,811	84,547
Total liabilities	1,338,452	$ 1,071,058
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Investments	219,270
Other assets	6,264
Total assets	225,534
Other liabilities and accrued expenses	4,776
Total liabilities	$ 4,776