Small Business Administration ("SBA") Loans Held for Sale (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Small Business Administration ("SBA") Loans Held for Sale
Purchase of guaranteed portions of SBA loans	$ 331,800
Guaranteed portions of SBA loans pooled into securities	90,900
Securities sold in the secondary market	82,300
Sale of individual loans	8,800
Guaranteed portion of SBA loans for sale	222,200		$ 222,200
Guaranteed portions of SBA loans sold	29,400	$ 28,500	88,600	$ 73,500
Gain on sale of guaranteed portions of SBA loans	$ 3,000	$ 2,500	$ 8,781	$ 6,592