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Allowance for Loan Losses - Credit quality of the loan portfolio (Details) - USD ($) | Mar. 31, 2022 | Dec. 31, 2021
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Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | $ 978,372,000 | $ 985,054,000
90 Days Past Due and Still Accruing | 0 | 0
Financial Asset, Not Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 973,040,000 | 977,589,000
Financial Asset, Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 5,332,000 | 7,465,000
30-59 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 4,119,000 | 4,649,000
60-89 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 166,000 | 1,687,000
90 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 1,047,000 | 1,129,000
Commercial and Industrial |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 134,797,000 | 134,182,000
Paycheck Protection Program (PPP) |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 7,835,000 | 17,311,000
Commercial loans secured by owner occupied real estate |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 98,474,000 | 99,644,000
Commercial loans secured by Non-Owner Occupied real estate |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 430,105,000 | 430,825,000
REAL ESTATE - RESIDENTIAL MORTGAGE |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 292,530,000 | 287,996,000
CONSUMER |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 14,631,000 | 15,096,000
Commercial |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 671,211,000 | 681,962,000
Commercial | Commercial and Industrial |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 134,797,000 | 134,182,000
90 Days Past Due and Still Accruing | 0 | 0
Commercial | Commercial and Industrial | Financial Asset, Not Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 133,171,000 | 133,918,000
Commercial | Commercial and Industrial | Financial Asset, Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 1,626,000 | 264,000
Commercial | Commercial and Industrial | 30-59 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 1,626,000 | 14,000
Commercial | Commercial and Industrial | 60-89 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 250,000
Commercial | Commercial and Industrial | 90 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 0
Commercial | Paycheck Protection Program (PPP) |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 7,835,000 | 17,311,000
90 Days Past Due and Still Accruing | 0 | 0
Commercial | Paycheck Protection Program (PPP) | Financial Asset, Not Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 7,835,000 | 17,311,000
Commercial | Paycheck Protection Program (PPP) | Financial Asset, Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 0
Commercial | Paycheck Protection Program (PPP) | 30-59 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 0
Commercial | Paycheck Protection Program (PPP) | 60-89 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 0
Commercial | Paycheck Protection Program (PPP) | 90 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 0
Commercial | Commercial loans secured by owner occupied real estate |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 98,474,000 | 99,644,000
90 Days Past Due and Still Accruing | 0 | 0
Commercial | Commercial loans secured by owner occupied real estate | Financial Asset, Not Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 98,158,000 | 99,454,000
Commercial | Commercial loans secured by owner occupied real estate | Financial Asset, Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 316,000 | 190,000
Commercial | Commercial loans secured by owner occupied real estate | 30-59 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 316,000 | 0
Commercial | Commercial loans secured by owner occupied real estate | 60-89 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 190,000
Commercial | Commercial loans secured by owner occupied real estate | 90 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 0
Commercial | Commercial loans secured by Non-Owner Occupied real estate |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 430,105,000 | 430,825,000
90 Days Past Due and Still Accruing | 0 | 0
Commercial | Commercial loans secured by Non-Owner Occupied real estate | Financial Asset, Not Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 430,030,000 | 428,790,000
Commercial | Commercial loans secured by Non-Owner Occupied real estate | Financial Asset, Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 75,000 | 2,035,000
Commercial | Commercial loans secured by Non-Owner Occupied real estate | 30-59 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 2,035,000
Commercial | Commercial loans secured by Non-Owner Occupied real estate | 60-89 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 75,000 | 0
Commercial | Commercial loans secured by Non-Owner Occupied real estate | 90 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 0 | 0
Consumer. |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 307,161,000 | 303,092,000
Consumer. | REAL ESTATE - RESIDENTIAL MORTGAGE |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 292,530,000 | 287,996,000
90 Days Past Due and Still Accruing | 0 | 0
Consumer. | REAL ESTATE - RESIDENTIAL MORTGAGE | Financial Asset, Not Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 289,518,000 | 283,178,000
Consumer. | REAL ESTATE - RESIDENTIAL MORTGAGE | Financial Asset, Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 3,012,000 | 4,818,000
Consumer. | REAL ESTATE - RESIDENTIAL MORTGAGE | 30-59 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 1,913,000 | 2,449,000
Consumer. | REAL ESTATE - RESIDENTIAL MORTGAGE | 60-89 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 82,000 | 1,240,000
Consumer. | REAL ESTATE - RESIDENTIAL MORTGAGE | 90 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 1,017,000 | 1,129,000
Consumer. | CONSUMER |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 14,631,000 | 15,096,000
90 Days Past Due and Still Accruing | 0 | 0
Consumer. | CONSUMER | Financial Asset, Not Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 14,328,000 | 14,938,000
Consumer. | CONSUMER | Financial Asset, Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 303,000 | 158,000
Consumer. | CONSUMER | 30-59 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 264,000 | 151,000
Consumer. | CONSUMER | 60-89 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | 9,000 | 7,000
Consumer. | CONSUMER | 90 Days Past Due [Member] |  |
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans |  |
Total loans | $ 30,000 | $ 0

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