Mortgage Banking Activities Mortgage Banking Activities, Mortgage Banking Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Mortgage Banking Revenue [Abstract]
Net realized gains (losses) on sale of mortgage loans	$ (296)	$ 3,158	$ (2,027)	$ 10,041
Net change in unrealized gain (loss) on mortgage loans held for sale	(496)	2,307	(126)	(3,520)
Net change in the fair value of mortgage loan commitments	(865)	998	775	(2,300)
Net change in the fair value of forward sales contracts	1,373	(6,967)	461	330
Total production revenue	(284)	(504)	(917)	4,551
Servicing revenue	15,425	11,872	30,425	23,467
Total mortgage banking revenue	$ 15,141	$ 11,368	$ 29,508	$ 28,018