Borrowings - Summary of Other Borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
FHLB advances	$ 975,078	$ 97
Serviced GNMA loans eligible for repurchase	70,805	84,464
Finance lease liabilities	5,055	6,464
Total other borrowings	$ 1,050,938	$ 91,025