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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

Amount of allowance for credit loss on financing receivable evaluated on collective basis. Excludes financing receivable evaluated on individual basis.

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Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis.

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Amount of financing receivable collectively evaluated for credit loss. Excludes financing receivable individually evaluated for credit loss.

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Amount of financing receivable individually evaluated for credit loss. Excludes financing receivable collectively evaluated for credit loss.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Loans, Allowance for Credit Losses - Loans and Amortized Cost Basis of Loans Under CECL Methodology (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	$ 20,633		$ 19,796
Individually evaluated for impairment	1,476		1,903
Total Allowance for Credit Losses - Loans for impairment	22,109	$ 22,081	21,699	$ 22,797	$ 21,598	$ 21,153
Collectively evaluated for impairment	2,218,521		2,287,674
Individually evaluated for impairment	23,234		25,568
Total Loans	2,241,755		2,313,242
Residential [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Total Loans	290,849		301,735
Commercial [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Total Loans	1,151,585		1,121,435
Construction [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Total Loans	138,307		164,326
Real Estate Loans [Member] \| Residential [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	3,034		1,902
Individually evaluated for impairment	28		38
Total Allowance for Credit Losses - Loans for impairment	3,062	3,213	1,940	2,355	2,347	2,354
Collectively evaluated for impairment	339,623		349,909
Individually evaluated for impairment	2,048		1,489
Total Loans	341,671		351,398
Real Estate Loans [Member] \| Commercial [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	9,815		9,070
Individually evaluated for impairment	83		104
Total Allowance for Credit Losses - Loans for impairment	9,898	9,237	9,174	10,283	9,741	9,178
Collectively evaluated for impairment	1,138,715		1,105,847
Individually evaluated for impairment	12,870		15,588
Total Loans	1,151,585		1,121,435
Real Estate Loans [Member] \| Agricultural [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	4,542		3,529
Individually evaluated for impairment	0		0
Total Allowance for Credit Losses - Loans for impairment	4,542	4,350	3,529	3,770	3,672	3,264
Collectively evaluated for impairment	328,805		323,660
Individually evaluated for impairment	3,190		4,062
Total Loans	331,995		327,722
Real Estate Loans [Member] \| Construction [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	1,273		1,402
Individually evaluated for impairment	0		0
Total Allowance for Credit Losses - Loans for impairment	1,273	1,552	1,402	1,627	1,595	1,950
Collectively evaluated for impairment	136,978		164,043
Individually evaluated for impairment	1,329		283
Total Loans	138,307		164,326
Consumer [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	187		391
Individually evaluated for impairment	1,000		1,014
Total Allowance for Credit Losses - Loans for impairment	1,187	1,418	1,405	1,211	1,266	1,496
Collectively evaluated for impairment	45,860		132,180
Individually evaluated for impairment	1,073		1,027
Total Loans	46,933		133,207
Other Commercial Loans [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	1,560		2,952
Individually evaluated for impairment	365		747
Total Allowance for Credit Losses - Loans for impairment	1,925	2,032	3,699	3,256	2,680	2,229
Collectively evaluated for impairment	147,850		128,728
Individually evaluated for impairment	2,321		2,582
Total Loans	150,171		131,310
Other Agricultural Loans [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	132		133
Individually evaluated for impairment	0		0
Total Allowance for Credit Losses - Loans for impairment	132	137	133	206	174	270
Collectively evaluated for impairment	27,963		29,125
Individually evaluated for impairment	403		537
Total Loans	28,366		29,662
State and Political Subdivision Loans [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	56		61
Individually evaluated for impairment	0		0
Total Allowance for Credit Losses - Loans for impairment	56	57	61	63	65	45
Collectively evaluated for impairment	52,727		54,182
Individually evaluated for impairment	0		0
Total Loans	52,727		54,182
Unallocated [Member]
Loans And Leases Receivable, Allowance For Loan Losses [Abstract]
Collectively evaluated for impairment	34		356
Individually evaluated for impairment	0		0
Total Allowance for Credit Losses - Loans for impairment	34	$ 85	356	$ 26	$ 58	$ 367
Collectively evaluated for impairment	0		0
Individually evaluated for impairment	0		0
Total Loans	$ 0		$ 0