Borrowed Funds - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Debt Instrument [Line Items] | |||||
| Total long-term borrowings | $ 52,000 | $ 52,000 | $ 550,000 | ||
| Total short-term borrowings | 2,340,000 | 2,340,000 | 1,560,000 | ||
| Available for sale debt securities, at fair value | 3,284,350 | 3,284,350 | 3,164,756 | ||
| Borrowed funds | 19,600 | $ 21,600 | 65,000 | $ 64,400 | |
| Amortization related to purchase accounting on FHLB advances | 316 | $ 316 | 949 | $ 1,200 | |
| Asset Pledged as Collateral | Securities Sold under Agreements to Repurchase | |||||
| Debt Instrument [Line Items] | |||||
| Available for sale debt securities, at fair value | $ 2,420,000 | $ 2,420,000 | $ 2,410,000 | ||
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- Definition Amortization Related To Purchase Accounting On FHLB Advances No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate amount of interest expense on all borrowings. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of long-term debt classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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