Loans and ACL - Summary of Changes in ACL by Segments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Allowance for Loan and Lease Losses [Roll Forward]
ACL, excluding accrued interest, beginning balance	$ 12,977	$ 13,095	$ 12,895	$ 13,108
Charge-offs	(175)	(1,767)	(737)	(2,485)
Recoveries	101	408	2,147	687
Provision for credit losses	(246)	899	(1,156)	1,325
ACL, excluding accrued interest, beginning balance	13,149	12,635	13,149	12,635
Commercial and Industrial
Allowance for Loan and Lease Losses [Roll Forward]
ACL, excluding accrued interest, beginning balance	1,318	1,264	1,316	968
Charge-offs	0	0	(72)	(336)
Recoveries	6	6	90	10
Provision for credit losses	(29)	(46)	19	582
ACL, excluding accrued interest, beginning balance	1,353	1,224	1,353	1,224
Commercial Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
ACL, excluding accrued interest, beginning balance	5,277	5,569	5,171	5,878
Charge-offs	0	0	0	0
Recoveries	4	318	56	353
Provision for credit losses	(102)	(710)	156	(1,054)
ACL, excluding accrued interest, beginning balance	5,383	5,177	5,383	5,177
Agricultural
Allowance for Loan and Lease Losses [Roll Forward]
ACL, excluding accrued interest, beginning balance	316	258	287	270
Charge-offs	0	0	0	0
Recoveries	0	0	0	2
Provision for credit losses	(1)	0	30	(14)
ACL, excluding accrued interest, beginning balance	317	258	317	258
Residential Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
ACL, excluding accrued interest, beginning balance	4,673	4,351	4,521	4,336
Charge-offs	0	0	(1)	(10)
Recoveries	16	20	46	112
Provision for credit losses	(107)	(40)	230	(107)
ACL, excluding accrued interest, beginning balance	4,796	4,331	4,796	4,331
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
ACL, excluding accrued interest, beginning balance	1,393	1,653	1,600	1,656
Charge-offs	(175)	(1,767)	(664)	(2,139)
Recoveries	75	64	1,955	210
Provision for credit losses	(7)	1,695	(1,591)	1,918
ACL, excluding accrued interest, beginning balance	$ 1,300	$ 1,645	$ 1,300	$ 1,645

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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