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Investment Securities - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Securities Financing Transactions Disclosures [Abstract] |  |
Accrued interest, after allowance for credit loss | $ 1,200 |
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Accrued interest receivable |
Held to maturity, at amortized cost | $ 382,447 | $ 399,128
Held-to-maturity, accrued Interest, after allowance for credit loss | $ 1,800 |
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Accrued interest receivable |
Available-for-sale Securities Pledged as Collateral | $ 440,000 | 380,300
Letter of credit outstanding, amount | 156,000 | $ 153,500
Gross realized gains and losses | $ 0 |

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