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DERIVATIVES AND HEDGING (Tables) | 9 Months Ended
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Sep. 30, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Derivatives Designated in Hedge Relationships |
| Asset Derivatives |  | Liability Derivatives
| September 30, 2025 |  | December 31, 2024 |  | September 30, 2025 |  | December 31, 2024
| Notional/ Contract Amount |  | Fair Value |  | Notional/ Contract Amount |  | Fair Value |  | Notional/ Contract Amount |  | Fair Value |  | Notional/ Contract Amount |  | Fair Value
Interest rate swaps | $ | 399,859 |  |  | $ | 19,873 |  |  | $ | 386,995 |  |  | $ | 30,134 |  |  | $ | 399,859 |  |  | $ | 19,913 |  |  | $ | 386,995 |  |  | $ | 30,184 |
Master netting agreements |  |  | (9,581) |  |  |  |  | (15,627) |  |  |  |  | — |  |  |  |  | — |
Cash offset/(settlement) |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |
Net interest rate swaps |  |  | 10,292 |  |  |  |  | 14,507 |  |  |  |  | 19,913 |  |  |  |  | 30,184 |
Risk participation agreements | 642 |  |  | — |  |  | 817 |  |  | — |  |  | 41,077 |  |  | 8 |  |  | 43,097 |  |  | 6 |
Mortgage loan commitments | 50,041 |  |  | 319 |  |  | 30,085 |  |  | 108 |  |  | — |  |  | — |  |  | 5,427 |  |  | 2 |
Forward sales contracts | 6,788 |  |  | — |  |  | 49,628 |  |  | 223 |  |  | 46,449 |  |  | 106 |  |  | — |  |  | — |
Total | $ | 457,330 |  |  | $ | 10,611 |  |  | $ | 467,525 |  |  | $ | 14,838 |  |  | $ | 487,385 |  |  | $ | 20,027 |  |  | $ | 435,519 |  |  | $ | 30,192 |
Schedule of Fair Value, Measured on Nonrecurring Basis, Gains (Losses) From Fair Value Adjustments [Table Text Block] | Gains (losses) recognized in income within mortgage banking operations on non-designated hedging instruments for the three and nine months ended September 30, 2025 and 2024, were as follows (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Mortgage loan commitments | $ | (173) |  |  | $ | 84 |  |  | $ | 432 |  |  | $ | 157 |
Forward sales contracts | (434) |  |  | (771) |  |  | (1,243) |  |  | (691) |
| $ | (607) |  |  | $ | (687) |  |  | $ | (811) |  |  | $ | (534) |
Offsetting Assets and Liabilities | as of September 30, 2025 and December 31, 2024 (in thousands):
| September 30, 2025
|  |  |  |  |  |  | Gross Amounts of Financial Instruments Not Offset in the Consolidated Statement of Financial Condition |  |
| Gross Amounts Recognized |  | Amounts offset in the Statement of Financial Condition |  | Net Amounts in the Statement of Financial Condition |  | Netting Adjustment Per Applicable Master Netting Agreements |  | Fair Value of Financial Collateral in the Statement of Financial Condition |  | Net Amount
Derivative assets |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps | $ | 19,873 |  |  | $ | (9,581) |  |  | $ | 10,292 |  |  | $ | — |  |  | $ | — |  |  | $ | 10,292 |
| $ | 19,873 |  |  | $ | (9,581) |  |  | $ | 10,292 |  |  | $ | — |  |  | $ | — |  |  | $ | 10,292 |
Derivative liabilities |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps | $ | 19,913 |  |  | $ | — |  |  | $ | 19,913 |  |  | $ | — |  |  | $ | (15,228) |  |  | $ | 4,685 |
| $ | 19,913 |  |  | $ | — |  |  | $ | 19,913 |  |  | $ | — |  |  | $ | (15,228) |  |  | $ | 4,685 |
| December 31, 2024
|  |  |  |  |  |  | Gross Amounts of Financial Instruments Not Offset in the Consolidated Statement of Financial Condition |  |
| Gross Amounts Recognized |  | Amounts offset in the Statement of Financial Condition |  | Net Amounts in the Statement of Financial Condition |  | Netting Adjustment Per Applicable Master Netting Agreements |  | Fair Value of Financial Collateral in the Statement of Financial Condition |  | Net Amount
Derivative assets |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps | $ | 30,134 |  |  | $ | (15,627) |  |  | $ | 14,507 |  |  | $ | — |  |  | $ | — |  |  | $ | 14,507 |
| $ | 30,134 |  |  | $ | (15,627) |  |  | $ | 14,507 |  |  | $ | — |  |  | $ | — |  |  | $ | 14,507 |
Derivative liabilities |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps | $ | 30,184 |  |  | $ | — |  |  | $ | 30,184 |  |  | $ | — |  |  | $ | (18,228) |  |  | $ | 11,956 |
| $ | 30,184 |  |  | $ | — |  |  | $ | 30,184 |  |  | $ | — |  |  | $ | (18,228) |  |  | $ | 11,956 |

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