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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Non-accrual Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Impaired
Non-accrual loans and leases	$ 5,617	$ 6,358
Foreclosed properties, net	117	164
Total non-performing assets	5,734	6,522
Performing troubled debt restructurings	203	217
Total impaired assets	$ 5,937	$ 6,739
Total non-accrual loans and leases to gross loans and leases	0.25%	0.28%
Total non-performing assets to total gross loans and leases plus foreclosed properties, net	0.25%	0.29%
Total non-performing assets to total assets	0.21%	0.25%
Allowance for loan and lease losses to gross loans and leases	1.05%	1.09%
Allowance for loan and lease losses to non-accrual loans and leases	421.38%	382.76%
Commercial real estate — owner occupied
Financing Receivable, Impaired
Non-accrual loans and leases	$ 344	$ 348
Commercial real estate — non-owner occupied
Financing Receivable, Impaired
Non-accrual loans and leases	0	0
Land development
Financing Receivable, Impaired
Non-accrual loans and leases	0	0
Construction
Financing Receivable, Impaired
Non-accrual loans and leases	0	0
Multi-family
Financing Receivable, Impaired
Non-accrual loans and leases	0	0
1-4 family
Financing Receivable, Impaired
Non-accrual loans and leases	331	339
Total non-accrual commercial real estate
Financing Receivable, Impaired
Non-accrual loans and leases	675	687
Commercial and industrial
Financing Receivable, Impaired
Non-accrual loans and leases	4,858	5,572
Direct financing leases, net
Financing Receivable, Impaired
Non-accrual loans and leases	84	99
Home equity and second mortgages
Financing Receivable, Impaired
Non-accrual loans and leases	0	0
Other
Financing Receivable, Impaired
Non-accrual loans and leases	0	0
Total non-accrual consumer and other loans
Financing Receivable, Impaired
Non-accrual loans and leases	$ 0	$ 0

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