Borrowed Funds - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Debt Instrument [Line Items] | |||||
| Total long-term borrowings | $ 451,600 | $ 451,600 | $ 550,000 | ||
| Total short-term borrowings | 1,960,000 | 1,960,000 | 1,560,000 | ||
| Available for sale debt securities, at fair value | 3,286,456 | 3,286,456 | 3,164,756 | ||
| Borrowed funds | 24,000 | $ 24,800 | 45,400 | $ 43,100 | |
| Amortization related to purchase accounting on FHLB advances | 316 | $ 316 | 632 | $ 868 | |
| Asset Pledged as Collateral | Securities Sold under Agreements to Repurchase | |||||
| Debt Instrument [Line Items] | |||||
| Available for sale debt securities, at fair value | $ 2,180,000 | $ 2,180,000 | $ 2,410,000 | ||
| X | ||||||||||
- Definition Amortization Related To Purchase Accounting On FHLB Advances No definition available.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Aggregate amount of interest expense on all borrowings. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of long-term debt classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|