Loans - Loan Receivables on Nonaccrual Status (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Loans [Abstract]
Nonaccrual With a related allowance	$ 12,967	$ 10,298
Nonaccrual Without a related allowance	34,105	16,304
90 days or greater past due and accruing	11	229
Total non-performing loans	47,083	26,831
Real Estate Loans [Member] \| Mortgages [Member]
Loans [Abstract]
Nonaccrual With a related allowance	272	153
Nonaccrual Without a related allowance	3,351	3,229
90 days or greater past due and accruing	0	0
Total non-performing loans	3,623	3,382
Real Estate Loans [Member] \| Home Equity [Member]
Loans [Abstract]
Nonaccrual With a related allowance	0	0
Nonaccrual Without a related allowance	106	61
90 days or greater past due and accruing	7	151
Total non-performing loans	113	212
Real Estate Loans [Member] \| Commercial [Member]
Loans [Abstract]
Nonaccrual With a related allowance	5,262	2,860
Nonaccrual Without a related allowance	27,199	8,637
90 days or greater past due and accruing	0	0
Total non-performing loans	32,461	11,497
Real Estate Loans [Member] \| Agricultural [Member]
Loans [Abstract]
Nonaccrual With a related allowance	0	0
Nonaccrual Without a related allowance	2,310	2,145
90 days or greater past due and accruing	0	55
Total non-performing loans	2,310	2,200
Real Estate Loans [Member] \| Construction [Member]
Loans [Abstract]
Nonaccrual With a related allowance	216	233
Nonaccrual Without a related allowance	735	283
90 days or greater past due and accruing	0	0
Total non-performing loans	951	516
Consumer [Member]
Loans [Abstract]
Nonaccrual With a related allowance	492	770
Nonaccrual Without a related allowance	1	0
90 days or greater past due and accruing	1	15
Total non-performing loans	494	785
Other Commercial Loans [Member]
Loans [Abstract]
Nonaccrual With a related allowance	6,626	6,282
Nonaccrual Without a related allowance	0	1,546
90 days or greater past due and accruing	3	8
Total non-performing loans	6,629	7,836
Other Agricultural Loans [Member]
Loans [Abstract]
Nonaccrual With a related allowance	99	0
Nonaccrual Without a related allowance	403	403
90 days or greater past due and accruing		0
Total non-performing loans	$ 502	$ 403

Amount of financing receivable on nonaccrual status with allowance for credit loss.

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Recorded investment in financing receivables that are past due and are not performing as per the loan agreement at the balance sheet date.

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Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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