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Loans and Allowance for Lease and Loan Losses (Schedule of classes of the loan portfolio by the aging categories of performing loans and nonaccrual loans) (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | $ 771,913,000 | $ 664,580,000
Total gross loans | 789,517,000 | 677,006,000
Nonaccrual | 8,921,000 | 5,672,000
Financing Receivable, 90 Days or More Past Due, Still Accruing | 0 | 0
30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 7,961,000 | 7,030,000
60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 2,631,000 | 1,813,000
Greater Than 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 7,012,000 | 3,583,000
Commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total gross loans | 268,640,000 | 223,030,000
Commercial real estate | Undisbursed construction loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 20,354,000 | 12,870,000
Total gross loans | 20,354,000 | 12,870,000
Commercial real estate | Non-residential |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 222,953,000 | 193,273,000
Total gross loans | 228,157,000 | 197,499,000
Nonaccrual | 3,911,000 | 2,507,000
Commercial real estate | Non-residential | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 409,000 | 1,466,000
Commercial real estate | Non-residential | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 884,000 | 253,000
Commercial real estate | Non-residential | Greater Than 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 3,911,000 | 2,507,000
Commercial real estate | Multifamily |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 19,744,000 | 12,487,000
Total gross loans | 20,129,000 | 12,661,000
Nonaccrual | 385,000 |
Commercial real estate | Multifamily | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 174,000
Commercial real estate | Multifamily | Greater Than 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 385,000 |
Residential Real Estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 42,403,000 | 42,083,000
Total gross loans | 43,726,000 | 43,534,000
Nonaccrual | 2,341,000 | 2,208,000
Residential Real Estate | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 427,000 | 305,000
Residential Real Estate | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 116,000 | 615,000
Residential Real Estate | Greater Than 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 780,000 | 531,000
Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 89,401,000 | 82,992,000
Total gross loans | 90,554,000 | 83,203,000
Nonaccrual | 905,000 | 297,000
Commercial and industrial | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 288,000 | 206,000
Commercial and industrial | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 198,000 | 1,000
Commercial and industrial | Greater Than 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 667,000 | 4,000
Consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total gross loans | 26,028,000 | 30,095,000
Consumer | Indirect automobile |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 351,840,000 | 291,369,000
Total gross loans | 360,569,000 | 297,144,000
Nonaccrual | 953,000 | 452,000
Consumer | Indirect automobile | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 6,494,000 | 4,429,000
Consumer | Indirect automobile | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,294,000 | 915,000
Consumer | Indirect automobile | Greater Than 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 941,000 | 431,000
Consumer | Home equity |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 15,726,000 | 18,905,000
Total gross loans | 16,276,000 | 19,269,000
Nonaccrual | 415,000 | 198,000
Consumer | Home equity | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 142,000 | 264,000
Consumer | Home equity | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 91,000 |
Consumer | Home equity | Greater Than 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 317,000 | 100,000
Consumer | Other consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 9,492,000 | 10,601,000
Total gross loans | 9,752,000 | 10,826,000
Nonaccrual | 11,000 | 10,000
Consumer | Other consumer | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 201,000 | 186,000
Consumer | Other consumer | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 48,000 | 29,000
Consumer | Other consumer | Greater Than 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | $ 11,000 | $ 10,000

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