Servicing Rights - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Commercial servicing rights
Servicing Assets at Fair Value [Line Items]
Servicing rights	$ 2,100		$ 2,200
Commercial loans serviced for a third party	$ 271,200		$ 282,200
Constant prepayment rate (percent)	11.76%		11.76%
Discount rate (percent)	9.50%		9.50%
Other Noninterest Income
Servicing Assets at Fair Value [Line Items]
Mortgage servicing fees	$ 1,000	$ 905