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Loans and Leases (Tables) | 12 Months Ended
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Dec. 31, 2025
Receivables [Abstract] |
Schedule of Loan and Lease Balances for the Originated and Acquired Portfolios | The following table presents the amortized cost of loans and leases and weighted average coupon rates for the loan and lease portfolios at the dates indicated:
| At December 31, 2025 |  | At December 31, 2024
| Balance |  | Weighted Average Coupon (1) |  | Balance |  | Weighted Average Coupon (1)
| (Dollars In Thousands)
Commercial real estate loans: |  |  |  |  |  |  |
Commercial real estate | $ | 7,235,397 |  |  | 5.58 | % |  | $ | 4,027,265 |  |  | 5.40 | %
Multi-family mortgage | 2,155,980 |  |  | 5.29 | % |  | 1,387,796 |  |  | 5.06 | %
Construction | 620,717 |  |  | 6.61 | % |  | 301,053 |  |  | 7.00 | %
Total commercial real estate loans | 10,012,094 |  |  | 5.58 | % |  | 5,716,114 |  |  | 5.40 | %
Commercial loans and leases: |  |  |  |  |  |  |
Commercial | 2,784,152 |  |  | 6.34 | % |  | 1,211,714 |  |  | 6.47 | %
Equipment financing | 1,163,211 |  |  | 8.55 | % |  | 1,294,950 |  |  | 8.27 | %
Total commercial loans and leases | 3,947,363 |  |  | 6.99 | % |  | 2,506,664 |  |  | 7.40 | %
Consumer loans: |  |  |  |  |  |  |
Residential mortgage | 3,233,425 |  |  | 4.82 | % |  | 1,114,732 |  |  | 4.69 | %
Home equity | 695,307 |  |  | 6.30 | % |  | 377,411 |  |  | 7.18 | %
Other consumer | 141,363 |  |  | 5.25 | % |  | 64,367 |  |  | 6.67 | %
Total consumer loans | 4,070,095 |  |  | 5.09 | % |  | 1,556,510 |  |  | 5.38 | %
Total loans and leases | $ | 18,029,552 |  |  | 5.78 | % |  | $ | 9,779,288 |  |  | 5.91 | %
_________________________________________________________________________ (1) The weighted average coupon does not include the impact of amortizing premium and discounts on acquired loans.
Schedule of Loans and Advances to Directors, Executive Officers and their Affiliates | The following table summarizes the change in the total amounts of loans and advances to directors, executive officers and their affiliates for the periods indicated. All loans were performing as of December 31, 2025 and 2024.
| Year Ended December 31,
| 2025 |  | 2024
| (Dollars In Thousands)
Balance at beginning of year | $ | 107,561 |  |  | $ | 133,499 |
New loans granted during the year | — |  |  | 24,447 |
Loans no longer classified as insider loans | (70,645) |  |  | (68,516) |
New loans to existing relationship | — |  |  | 17,245 |
Net (repayments)/additional drawals | (1,557) |  |  | 886 |
Loan reclassified as an insider loan | 21 |  |  | — |
Balance at end of year | $ | 35,380 |  |  | $ | 107,561 |

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