Fair Value Disclosures - Narrative (Details)	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($) property numberOfSwaps Rate	Jun. 30, 2024 USD ($) numberOfSwaps Rate	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) numberOfSwaps Rate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent consideration liability, payment		$ 635,000	$ 635,000
Servicing rights carrying amount before valuation allowance	$ 6,100,000	6,100,000		$ 9,100,000
Servicing rights valuation allowance	17,000	17,000		98,000
Other real estate owned	$ 20,000,000.0	20,000,000.0		19,000,000.0
Real estate owned, transfer to real estate owned, number of properties | property	1
Transfer of loans to other real estate owned	$ 252,000	252,000	$ 0
Other Real Estate, Period Increase (Decrease)		724,000
Repossessed assets	149,000	149,000		0
Credit derivatives | Fair Value Measure on Recurring Basis
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	116,000	116,000		186,000
Level 3 | Credit derivatives | Fair Value Measure on Recurring Basis
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	$ 116,000	$ 116,000		$ 186,000
Number of interest rate swaps held | numberOfSwaps	134	134		133
Notional Amount	$ 851,500,000	$ 851,500,000		$ 862,800,000
Derivative, credit valuation adjustment, loss rate used in calculation | Rate	40.00%	40.00%		40.00%
Paul I. Scheaffer Insurance Agency
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent consideration liability discount rate	0.083	0.083		0.083
Contingent consideration liability, payment		$ 635,000		$ 653,000
Business combination, contingent consideration, liability, current	$ 614,000	614,000		1,200,000
Potential cash payments, lower range		0		0
Potential cash payments, upper range		635,000		1,300,000
Held for Investment
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying value of individually analyzed loans and leases held for investment	15,700,000	15,700,000		20,700,000
Valuation allowance of individually analyzed loans and leases held for investment	456,000	456,000		1,800,000
Lease financings
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying value of individually analyzed loans and leases held for investment	$ 0	$ 0		$ 0