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Allowance for Credit Losses - Gross Charge-offs of loans by Year of Origination (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Current Period Gross Charge-offs by Origination Year |  |  |
2023 | $ 93,000 |  | $ 81,000
2022 | 744,000 |  | 1,446,000
2021 | 1,897,000 |  | 938,000
2020 | 1,059,000 |  | 320,000
2019 | 221,000 |  | 135,000
Prior | 190,000 |  | 285,000
Revolving Loans |  |  | 8,000
Total | 4,204,000 | $ 3,213,000 | 3,213,000
Collateral dependent loans | 0 |  |
Demand deposit overdrafts |  |  |
Current Period Gross Charge-offs by Origination Year |  |  |
2023 | 90,000 | 81,000,000 |
Commercial real estate |  |  |
Current Period Gross Charge-offs by Origination Year |  |  |
2022 |  |  | 16,000
Total |  |  | 16,000
Residential mortgage |  |  |
Current Period Gross Charge-offs by Origination Year |  |  |
2023 | 3,000 |  |
Total | 3,000 |  |
Construction - commercial real estate |  |  |
Current Period Gross Charge-offs by Origination Year |  |  |
Revolving Loans |  |  | 8,000
Total |  |  | 8,000
Other consumer |  |  |
Current Period Gross Charge-offs by Origination Year |  |  |
2023 | 90,000 |  | 81,000
2022 | 3,000 |  |
2021 | 5,000 |  |
Total | 98,000 |  | 81,000
Consumer finance |  |  |
Current Period Gross Charge-offs by Origination Year |  |  |
Total | 4,103,000 | $ 3,108,000 |
Consumer finance | Automobiles |  |  |
Current Period Gross Charge-offs by Origination Year |  |  |
2022 | 724,000 |  | 1,384,000
2021 | 1,869,000 |  | 938,000
2020 | 1,059,000 |  | 320,000
2019 | 213,000 |  | 135,000
Prior | 190,000 |  | 285,000
Total | 4,055,000 |  | 3,062,000
Consumer finance | Marine and recreational vehicles |  |  |
Current Period Gross Charge-offs by Origination Year |  |  |
2022 | 17,000 |  | 46,000
2021 | 23,000 |  |
2019 | 8,000 |  |
Total | $ 48,000 |  | $ 46,000

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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. 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 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. 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 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
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