Variable Interest Entities - VIE Carrying Amounts Included in Financial Statements (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets
Loans receivable	$ 16,533,723	$ 16,005,325
Accrued interest receivable	106,063	94,526
Other assets	312,980	201,132
Total assets	27,822,170	27,742,629
Liabilities
Other borrowed funds	88,814	81,695
Accrued interest payable	32,584	125,907
Other liabilities	349,393	225,786
Total liabilities	24,711,463	24,722,348
Consolidated VIEs
Assets
Loans receivable	147,353	136,527
Accrued interest receivable	587	376
Other assets	78,278	48,924
Total assets	226,218	185,827
Liabilities
Other borrowed funds	64,480	56,578
Accrued interest payable	467	242
Other liabilities	28,655	182
Total liabilities	$ 93,602	$ 57,002