Borrowings (Narrative) (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Federal Home Loan Bank, Advances, Branch of FHLBB Bank [Line Items] | ||
| Federal Home Loan Bank advances | $ 376,000 | $ 626,000 |
| Federal Home Loan Bank of Boston | ||
| Federal Home Loan Bank, Advances, Branch of FHLBB Bank [Line Items] | ||
| Federal Home Loan Bank advances | 376,000 | 626,000 |
| Unused remaining available borrowing capacity with FHLB | 1,500,000 | 1,400,000 |
| Unused line of credit with FHLB | 40,000 | 40,000 |
| Standby letter of credit with FHLB | $ 65,100 | $ 66,000 |
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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Definition Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount remaining to be drawn on at the balance sheet date associated with a standby letter of credit with the FHLB. No definition available.
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- Details
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