Servicing Rights - Mortgage Servicing Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Changes in fair value:
Balance of mortgage loans serviced for others	$ 898,840	$ 772,764
MSR as a percentage of serviced loans	2.07%	1.78%
Mortgage servicing rights
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance, beginning of period	$ 13,724	$ 11,218	$ 11,920
Additions for new MSR capitalized	4,623	6,088	4,824
Changes in fair value:
Due to changes in model inputs of assumptions	1,615	(1,181)	(2,701)
Other	(1,327)	(2,401)	(2,825)
Carrying value, December 31	18,635	13,724	$ 11,218
Balance of mortgage loans serviced for others	$ 898,840	$ 772,764
MSR as a percentage of serviced loans	2.07%	1.78%