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Investment Securities - Debt Securities, Held-to-Maturity, Allowance for Credit Loss (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Allowance for credit losses: |  |
Beginning balance | $ 434 | $ 0
Credit loss reduction | (285) | (10)
Securities charged-off | 0 | 0
Recoveries | 0 | 0
Total ending allowance balance | 149 | 428
Credit loss reduction | 285 | 10
Impact of adopting ASC 326 |  |
Allowance for credit losses: |  |
Beginning balance |  | 438
State and political subdivisions |  |
Allowance for credit losses: |  |
Beginning balance | 222 | 0
Credit loss reduction | (129) | (5)
Securities charged-off | 0 | 0
Recoveries | 0 | 0
Total ending allowance balance | 93 | 224
Credit loss reduction | 129 | 5
State and political subdivisions | Impact of adopting ASC 326 |  |
Allowance for credit losses: |  |
Beginning balance |  | 229
Corporate securities |  |
Allowance for credit losses: |  |
Beginning balance | 212 | 0
Credit loss reduction | (156) | (5)
Securities charged-off | 0 | 0
Recoveries | 0 | 0
Total ending allowance balance | 56 | 204
Credit loss reduction | $ 156 | 5
Corporate securities | Impact of adopting ASC 326 |  |
Allowance for credit losses: |  |
Beginning balance |  | $ 209

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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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