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Commitments and Contingent Liabilities (Details) - USD ($) | Mar. 31, 2023 | Jan. 01, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
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Loss Contingencies [Line Items] |  |  |  |  |
Carrying value of commitment | $ 906,000 |  | $ 746,000 |  |
Allowance for credit losses - Loans | 12,132,000 | $ 11,947,000 | 10,743,000 | $ 11,922,000 | $ 12,398,000
Commitments to extend credit |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Amount of commitment | 236,100,000 |  | 227,600,000 |  |
Standby letters of Credit |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Amount of commitment | $ 8,700,000 |  | $ 9,000,000.0 |  |

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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