Loan Servicing - Originated Mortgage Servicing Rights (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Servicing Asset at Fair Value, Amount [Roll Forward]
Balances, January 1	$ 17,780	$ 17,644	$ 15,046
Servicing rights capitalized	3,184	4,209	5,530
Amortization of servicing rights	(2,345)	(4,073)	(2,932)
Balances, December 31	18,619	17,780	17,644
Balances, January 1	(2,594)	(5,172)	(719)
Additions	0	0	(5,106)
Reductions	2,594	2,578	653
Balances, December 31	0	(2,594)	(5,172)
Mortgage servicing rights, net	18,619	15,186	12,472
Fair value, beginning of period	15,236	12,356	14,405
Fair value, end of period	$ 19,992	$ 15,236	$ 12,356