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INVESTMENT SECURITIES INVESTMENTS - Additional Information (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 USD ($) numberOfSecurities entity | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Gain (Loss) on Securities [Line Items] |  |  |
Proceeds from Sale of Debt Securities, Available-for-sale | $ 352,464 | $ 92,187 | $ 277,082
Debt Securities, Available-for-sale, Realized Loss | 16,600 | 1,300 | 1,600
Available For Sale Securities Net Realized Gain Loss Tax Provision | (3,600) | (284) | (132)
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Transfer, Amount | 0 | 0 |
Debt Securities, Available-for-Sale, Restricted | 1,500,000 | 1,600,000 |
Debt Securities, Held-to-maturity, Allowance for Credit Loss | $ 0 | $ 0 |
NumberOfSecuritiesInSecurityPortfolio | 743 | 972 |
Debt Securities, Held-to-maturity, Nonaccrual | $ 0 |  |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (8,013) | $ (8,763) |
Proceeds from Sale and Maturity of Debt Securities, Available-for-sale |  |  | 277,100
Debt Securities, Available-for-sale, Realized Gain | 1,200 |  | 1,000
Proceeds from Sale of Other Investments | 11,559 | 0 | $ 0
Equity Securities, FV-NI, Unrealized Gain (Loss) | 2,200 |  |
Debt Securities, Available-for-Sale, Realized Gain (Loss) | 9,700 |  |
Debt Securities, Unrealized Gain (Loss) | $ 1,100 |  |
Debt Securities, Unrealized Gain (Loss), Number | numberOfSecurities | 2 |  |
Debt Securities, Available-for-Sale, Realized Gain (Loss), Number | entity | 2 |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position | $ 2,531,876 | $ 2,820,773 |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | 644 | 783 |
Financial Instrument, Other |  |  |
Gain (Loss) on Securities [Line Items] |  |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position | $ 11,100 |  |

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