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v3.25.3

Acquisition (Details) - USD ($) |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jul. 01, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Business Combination [Line Items] |  |  |  |  |
Business Combination, Acquisition-Related Cost, Expense |  | $ 23,893,000 | $ 0 | $ 27,287,000 | $ 0
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | (9,020,000) |  | (9,020,000) |
Enterprise Bancorp, Inc |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 25,900,000 |  |  |  |
Business Combination, Acquisition-Related Cost, Expense |  |  |  | 27,300,000 |
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares | 7,478,906 |  |  |  |
Business Combination, Recognized Liability Assumed, Long-Term Debt, Current | $ 62,472,000 |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable Shareholders Option To Receive, Cash Per Share | $ 2.00 |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares of Company Stock Issued for Each Share of Acquiree Stock | 0.60 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | $ (9,000,000.0) |  |  | (9,020,000) |
Business Combination, Consideration Transferred | 503,100,000 |  |  |  |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | $ 34,500,000 |  |  |  |
Enterprise Bancorp, Inc | Business Combination, Pro Forma Information, Nonrecurring Adjustment, Acquisition-Related Cost |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Business Combination, Acquisition-Related Cost, Expense |  | $ 18,000,000.0 |  | $ 38,000,000.0 |

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