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v3.25.1

Securities (Narrative) (Details) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2024 USD ($) | Mar. 31, 2025 USD ($) security | Dec. 31, 2024 USD ($) security
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Private mortgage-backed security fair value |  | $ 700,000 | $ 700,000
Accrued interest on available for sale debt securities |  | 4,900,000 | 4,600,000
Accrued interest on held to maturity debt securities |  | $ 3,000,000.0 | $ 4,200,000
Number of securities | security |  | 583 | 584
Number of securities held in an unrealized loss position | security |  | 543 | 560
Proceeds from sale of debt securities, available-for-sale | $ 5,200,000 |  |
Securities losses, net | $ (975,200) |  |
FHLB stock and FRB stock, cost |  | $ 41,500,000 | $ 41,300,000
FHLB, cost |  | 8,500,000 |
FRB stock |  | 33,000,000.0 | 32,700,000
Collateral For Public Deposits |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Investment securities, pledged as collateral for public deposits |  | 858,400,000 | 806,000,000.0
Collateral For FRB Borrowings |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Investment securities, pledged as collateral for public deposits |  | $ 664,000,000.0 | $ 661,000,000.0

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- Definition Amount, after allowance for credit loss, of accrued interest 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 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2A Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-3A Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-3B + Details
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