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Loans - Amortized cost basis of loans on nonaccrual status (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023 | Dec. 31, 2022
Interest income on loans on nonaccrual status |  | $ 0 |
Reversal of interest income upon placing loans on nonaccrual status | $ 0 | 14,000 |
Loans on nonaccrual status | 1,376,000 | 1,376,000 | $ 1,189,000
Commercial real estate |  |  |
Loans on nonaccrual status | 264,000 | 264,000 |
Residential mortgage |  |  |
Loans on nonaccrual status | 141,000 | 141,000 | 156,000
Equity lines |  |  |
Loans on nonaccrual status | 60,000 | 60,000 | 108,000
Consumer finance | Automobiles |  |  |
Loans on nonaccrual status | 831,000 | 831,000 | 842,000
Consumer finance | Marine and recreational vehicles |  |  |
Loans on nonaccrual status | $ 80,000 | $ 80,000 | $ 83,000

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- Definition Represents the reversal of interest income upon placing loans on nonaccrual status. + References No definition available. + Details
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- Definition Amount of interest income on financing receivable on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-16 + Details
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- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) -Publisher SEC Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7 + Details
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