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Loans and Allowance for Credit Losses - Nonaccrual Loans by Loan Class (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Loss	$ 20,442	$ 16,512
Nonaccrual With An Allowance For Credit Loss	3,936	4,496
Total Nonaccrual Loans	24,378	21,008
Interest income, nonaccrual with no allowance for credit loss	359	274
Interest income, nonaccrual with an allowance for credit loss	62	65
Interest income, total non-accruals	421	339
Nonaccrual Delinquent Loans	7,641	13,254
Nonaccrual Current Loans	16,737	7,754
Commercial real estate
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Loss	8,100	8,192
Nonaccrual With An Allowance For Credit Loss	2,062	2,194
Total Nonaccrual Loans	10,162	10,386
Nonaccrual Delinquent Loans	2,991	7,268
Nonaccrual Current Loans	7,171	3,118
Residential real estate
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Loss	9,362	6,741
Nonaccrual With An Allowance For Credit Loss	547	873
Total Nonaccrual Loans	9,909	7,614
Nonaccrual Delinquent Loans	4,396	3,979
Nonaccrual Current Loans	5,513	3,635
Construction
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Loss	52	360
Nonaccrual With An Allowance For Credit Loss	0	0
Total Nonaccrual Loans	52	360
Nonaccrual Delinquent Loans	52	360
Nonaccrual Current Loans	0	0
Commercial
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Loss	2,410	458
Nonaccrual With An Allowance For Credit Loss	1,279	549
Total Nonaccrual Loans	3,689	1,007
Nonaccrual Delinquent Loans	172	70
Nonaccrual Current Loans	3,517	937
Consumer
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Loss	518	761
Nonaccrual With An Allowance For Credit Loss	0	712
Total Nonaccrual Loans	518	1,473
Nonaccrual Delinquent Loans	30	1,431
Nonaccrual Current Loans	488	42
Credit cards
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Loss	0	0
Nonaccrual With An Allowance For Credit Loss	48	168
Total Nonaccrual Loans	48	168
Nonaccrual Delinquent Loans	0	146
Nonaccrual Current Loans	$ 48	$ 22

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