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Securities & Allowance for Securities Credit Losses - Schedule of Amortized Cost of HTM Debt Securities (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward] |  |
Beginning period | $ 202 | $ 348
Provision for (recapture of) credit losses | (27) | 11
Write offs charged against the allowance | 0 | 0
Recoveries of amounts previously written off | 0 | 0
Ending period | 175 | 359
U.S. government and federal agencies |  |
Debt Securities, Held-to-Maturity, 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
Ending period | 0 | 0
Mortgage Backed Securities |  |
Debt Securities, Held-to-Maturity, 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
Ending period | 0 | 0
Corporate bonds |  |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward] |  |
Beginning period | 171 | 322
Provision for (recapture of) credit losses | (26) | 3
Write offs charged against the allowance | 0 | 0
Recoveries of amounts previously written off | 0 | 0
Ending period | 145 | 325
State and municipal securities |  |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward] |  |
Beginning period | 31 | 26
Provision for (recapture of) credit losses | (1) | 8
Write offs charged against the allowance | 0 | 0
Recoveries of amounts previously written off | 0 | 0
Ending period | $ 30 | $ 34

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- Definition Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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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 increase in allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity) from recovery. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity) from writeoff. + References Reference 1: 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 credit loss expense (reversal of expense) on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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