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Securities & Allowance for Securities Credit Losses - Schedule of Debt Securities, Available-for-Sale, Allowance for Credit Loss (Details) - USD ($) | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period | $ 0 | $ 0
Provision for (recapture of) credit losses | (210,000) | 785,000
Write offs charged against the allowance | 0 | (785,000)
Recoveries of amounts previously written off | 210,000 | 0
End period | 0 | 0
Cumulative Effect, Period of Adoption, Adjustment |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period |  | 0
U.S. government and federal agencies |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period | 0 | 0
Provision for (recapture of) credit losses | 0 | 0
Write offs charged against the allowance | 0 | 0
Recoveries of amounts previously written off | 0 | 0
End period | 0 | 0
U.S. government and federal agencies | Cumulative Effect, Period of Adoption, Adjustment |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period |  | 0
Mortgage Backed Securities |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period | 0 | 0
Provision for (recapture of) credit losses | 0 | 0
Write offs charged against the allowance | 0 | 0
Recoveries of amounts previously written off | 0 | 0
End period | 0 | 0
Mortgage Backed Securities | Cumulative Effect, Period of Adoption, Adjustment |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period |  | 0
Corporate Bonds |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period | 0 | 0
Provision for (recapture of) credit losses | (210,000) | 785,000
Write offs charged against the allowance | 0 | (785,000)
Recoveries of amounts previously written off | 210,000 | 0
End period | 0 | 0
Corporate Bonds | Cumulative Effect, Period of Adoption, Adjustment |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period |  | 0
State and municipal securities |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period | 0 | 0
Provision for (recapture of) credit losses | 0 | 0
Write offs charged against the allowance | 0 | 0
Recoveries of amounts previously written off | 0 | 0
End period | $ 0 | 0
State and municipal securities | Cumulative Effect, Period of Adoption, Adjustment |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |
Beginning period |  | $ 0

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 + Details
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- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) with previously recorded allowance and not intended to be sold and not more likely than not will be required to sell before recovery of amortized cost basis. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-9 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) from recovery. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-9 + Details
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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) from writeoff. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-9 + Details
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