Variable Interest Entities - VIE Carrying Amounts Included in Financial Statements (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Loans receivable, net	$ 15,942,775	$ 15,064,529
Accrued interest receivable	104,476	83,538
Other assets	199,315	181,244
Total assets	28,063,561	26,635,375
Liabilities
Other borrowed funds	73,752	77,293
Accrued interest payable	91,874	4,331
Other liabilities	255,578	225,193
Total liabilities	25,188,967	23,792,070
Consolidated VIEs
Assets
Loans receivable, net	125,765	134,603
Accrued interest receivable	629	370
Other assets	50,456	48,136
Total assets	176,850	183,109
Liabilities
Other borrowed funds	48,134	49,089
Accrued interest payable	457	274
Other liabilities	49	179
Total liabilities	$ 48,640	$ 49,542