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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	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Impaired
Non-accrual loans and leases	$ 11,422	$ 26,617
Foreclosed properties, net	179	34
Total non-performing assets	11,601	26,651
Performing troubled debt restructurings	56	46
Total impaired assets	$ 11,657	$ 26,697
Total non-accrual loans and leases to gross loans and leases	0.53%	1.24%
Total non-performing assets to total gross loans and leases plus foreclosed properties, net	0.54%	1.24%
Total non-performing assets to total assets	0.40%	1.04%
Allowance for loan and lease losses to gross loans and leases	1.20%	1.33%
Allowance for loan and lease losses to non-accrual loans and leases	224.79%	107.15%
Commercial real estate — owner occupied
Financing Receivable, Impaired
Non-accrual loans and leases	$ 2,125	$ 5,429
Commercial real estate — non-owner occupied
Financing Receivable, Impaired
Non-accrual loans and leases	2,998	3,783
Land development
Financing Receivable, Impaired
Non-accrual loans and leases	0	890
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	44	250
Total non-accrual commercial real estate
Financing Receivable, Impaired
Non-accrual loans and leases	5,167	10,352
Commercial and industrial
Financing Receivable, Impaired
Non-accrual loans and leases	6,160	16,155
Direct financing leases, net
Financing Receivable, Impaired
Non-accrual loans and leases	49	49
Home equity and second mortgages
Financing Receivable, Impaired
Non-accrual loans and leases	35	40
Other
Financing Receivable, Impaired
Non-accrual loans and leases	11	21
Total non-accrual consumer and other loans
Financing Receivable, Impaired
Non-accrual loans and leases	$ 46	$ 61

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