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v3.25.2

Securities - Narrative (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) debt_security bond | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) debt_security bond | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) debt_security | Dec. 31, 2023 USD ($)
Schedule of Investments [Line Items] |  |  |  |  |  |
Transferred Securities, Unrealized Loss, Before Tax | $ 101,100,000 |  | $ 101,100,000 |  | $ 105,100,000 |
Securities transferred, Unrealized Loss, Net of Tax | 79,800,000 |  | 79,800,000 |  | 83,000,000.0 |
Fair value of securities transferred from AFS to HTM |  |  | 0 |  | 0 |
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract] |  |  |  |  |  |
Net gain (loss) on sale of securities AFS | 0 | $ (563,000) | (554,000) | $ (581,000) |  |
Gross realized losses on AFS securities |  |  | 1,200,000 | 4,600,000 |  |
Gross realized gains on AFS securities |  |  | 600,000 | 88,000 |  |
Proceeds from sale of AFS securities |  |  | 120,242,000 | 100,259,000 |  |
Equity investments | 9,502,000 |  | 9,502,000 |  | 9,467,000 |
Debt Securities, Held-to-maturity, Sale or Transfer of Investment [Abstract] |  |  |  |  |  |
Sale of HTM portfolio |  |  | 0 | 0 |  |
Interest receivable | 45,546,000 |  | 45,546,000 |  | $ 46,724,000 |
FHLB stock with other-than-temporary impairment | 0 |  | 0 |  |  |
Other-than-temporarily impaired equity investments | $ 0 |  | $ 0 |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | debt_security | 335 |  | 335 |  | 421 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | $ 390,095,000 | 451,996,000 | $ 390,095,000 | 451,996,000 | $ 426,161,000 | $ 560,510,000
Less: Net gains recognized during the period on equity investments sold during the period | 0 | 0 | 0 | 0 |  |
Debt Securities, Available-for-Sale, Accrued Interest | 12,300,000 |  | 12,300,000 |  | 13,600,000 |
Debt Securities, Held-to-Maturity, Accrued Interest | $ 12,800,000 |  | $ 12,800,000 |  | 12,900,000 |
Held-To-Maturity Securities, Number Of Bonds Below Investment Grade | bond | 2 |  | 2 |  |  |
Gain (Loss) on Hedging Activity |  |  | $ 1,200,000 | 4,000,000.0 |  |
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, Nonaccrual | $ 0 |  | 0 |  | 0 |
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 1,272,961,000 |  | 1,272,961,000 |  | 1,279,234,000 |
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest | 0 |  | 0 |  | 0 |
State and political subdivisions |  |  |  |  |  |
Debt Securities, Held-to-maturity, Sale or Transfer of Investment [Abstract] |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, Credit Loss Expense (Reversal) |  |  | (55,000) | $ 0 |  |
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 1,041,998,000 |  | 1,041,998,000 |  | 1,040,912,000 |
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest | 0 |  | 0 |  | 0 |
Corporate bonds and other |  |  |  |  |  |
Debt Securities, Held-to-maturity, Sale or Transfer of Investment [Abstract] |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, Credit Loss Expense (Reversal) | 9,000 | $ 0 |  |  |  |
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 120,415,000 |  | 120,415,000 |  | 124,095,000 |
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest | 0 |  | 0 |  | 0 |
Asset Pledged as Collateral |  |  |  |  |  |
Debt Securities, Held-to-maturity, Sale or Transfer of Investment [Abstract] |  |  |  |  |  |
Debt Securities | 2,160,000,000 |  | 2,160,000,000 |  | 2,180,000,000 |
Asset Pledged As Collateral, Excess Amount |  |  |  |  |  |
Debt Securities, Held-to-maturity, Sale or Transfer of Investment [Abstract] |  |  |  |  |  |
Debt Securities | 383,600,000 |  | 383,600,000 |  | 431,700,000 |
Financial Asset, Past Due |  |  |  |  |  |
Debt Securities, Held-to-maturity, Sale or Transfer of Investment [Abstract] |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | $ 0 |  | $ 0 |  | $ 0 |

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