Loans and Allowance for Credit Losses (Nonaccrual Loans by Loan Class) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Nonaccrual loans:
Non-Accrual with no allowance for credit loss	$ 10,939	$ 11,247
Non-Accrual with an allowance for credit loss	3,905	1,537
Total Non-Accrual Loans	14,844	12,784
Interest income, non-accrual with no allowance for credit loss	174	399
Interest income, non-accrual with an allowance for credit loss	57	53
Interest income, total non-accruals	231	452
Non-Accrual Delinquent Loans	8,454	6,504
Non-Accrual Current Loans	6,390	6,280
Total Non-Accrual Loans	14,844	12,784
Construction
Nonaccrual loans:
Non-Accrual with no allowance for credit loss	207	626
Non-Accrual with an allowance for credit loss	0	0
Total Non-Accrual Loans	207	626
Non-Accrual Delinquent Loans	207	221
Non-Accrual Current Loans	0	405
Total Non-Accrual Loans	207	626
Residential real estate
Nonaccrual loans:
Non-Accrual with no allowance for credit loss	6,500	5,865
Non-Accrual with an allowance for credit loss	438	480
Total Non-Accrual Loans	6,938	6,345
Non-Accrual Delinquent Loans	4,516	4,137
Non-Accrual Current Loans	2,422	2,208
Total Non-Accrual Loans	6,938	6,345
Commercial real estate
Nonaccrual loans:
Non-Accrual with no allowance for credit loss	3,447	4,364
Non-Accrual with an allowance for credit loss	2,239	0
Total Non-Accrual Loans	5,686	4,364
Non-Accrual Delinquent Loans	2,810	1,215
Non-Accrual Current Loans	2,876	3,149
Total Non-Accrual Loans	5,686	4,364
Commercial
Nonaccrual loans:
Non-Accrual with no allowance for credit loss	490	176
Non-Accrual with an allowance for credit loss	586	368
Total Non-Accrual Loans	1,076	544
Non-Accrual Delinquent Loans	58	28
Non-Accrual Current Loans	1,018	516
Total Non-Accrual Loans	1,076	544
Consumer
Nonaccrual loans:
Non-Accrual with no allowance for credit loss	295	216
Non-Accrual with an allowance for credit loss	463	689
Total Non-Accrual Loans	758	905
Non-Accrual Delinquent Loans	707	903
Non-Accrual Current Loans	51	2
Total Non-Accrual Loans	758	$ 905
Credit cards
Nonaccrual loans:
Non-Accrual with no allowance for credit loss	0
Non-Accrual with an allowance for credit loss	179
Total Non-Accrual Loans	179
Non-Accrual Delinquent Loans	156
Non-Accrual Current Loans	23
Total Non-Accrual Loans	$ 179