Servicing Rights - Mortgage Servicing Rights (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Changes in fair value:
Balance of mortgage loans serviced for others	$ 859,288		$ 859,288		$ 772,764
MSR as a percentage of serviced loans	2.06%		2.06%		1.78%
Mortgage servicing rights
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance, beginning of period	$ 16,301	$ 12,835	$ 13,724	$ 11,218
Additions for new MSR capitalized	1,263	1,703	3,378	4,896
Changes in fair value:
Due to changes in model inputs of assumptions	555	(928)	1,522	(1,092)
Other	(410)	(530)	(915)	(1,942)
Balance, end of period	17,709	$ 13,080	17,709	$ 13,080
Balance of mortgage loans serviced for others	$ 859,288		$ 859,288		$ 772,764
MSR as a percentage of serviced loans	2.06%		2.06%		1.78%