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DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of the Interest-Rate Swaps Designated as Cash Flow Hedges (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Interest Rate Swap |  |  |  |  |
Balances carried in AOCI |  |  |  |  |
Unrealized gains (losses) on cash flow hedges, net of tax | $ 0 | $ 0 | $ 0 | $ 0 |
Cash Flow Hedging | Interest Rate Swap |  |  |  |  |
Balances carried in AOCI |  |  |  |  |
Unrealized gains (losses) on cash flow hedges, net of tax |  |  | (8,010) |  | $ (19,805)
Cash Flow Hedging | Interest Rate Swap | Other assets |  |  |  |  |
Gross aggregate fair value of the swaps |  |  |  |  |
Gross aggregate fair value of swap assets | 3,617 |  | 3,617 |  | 0
Cash Flow Hedging | Interest Rate Swap | Other liabilities |  |  |  |  |
Gross aggregate fair value of the swaps |  |  |  |  |
Gross aggregate fair value of swap liabilities | 15,670 |  | 15,670 |  | 27,770
Cash Flow Hedging | Prime Loan Swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | $ 300,000 |  | $ 300,000 |  | $ 300,000
Weighted average rate: receive-fixed | 4.81% |  | 4.81% |  | 4.81%
Weighted average variable interest rates | 7.37% |  | 7.37% |  | 7.62%
Weighted average maturity |  |  | 3 years 4 months 6 days |  | 4 years 1 month 6 days
Cash Flow Hedging | SOFR Loan Swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | $ 200,000 |  | $ 200,000 |  | $ 200,000
Weighted average rate: receive-fixed | 3.78% |  | 3.78% |  | 3.78%
Weighted average variable interest rates | 4.25% |  | 4.25% |  | 0.00%
Weighted average maturity |  |  | 4 years 3 days |  | 4 years 9 months 3 days

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