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BORROWINGS Borrowings - - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Apr. 01, 2018
Debt Instrument [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 40,000 |  |  |
Short-term Debt | 755,452 | $ 937,814 | $ 1,287,156 |
Subordinated debt, original issue | $ 120,000 |  |  |
Subordinated Borrowing, Interest Rate | 5.13% |  |  |
Convertible Subordinated Debt | $ 150,000 |  |  |
Debt Instrument, Basis Spread on Variable Rate | 5.09% |  |  |
Subordinated Debt | $ 314,619 | $ 314,163 |  |
Debt, Weighted Average Interest Rate | 5.43% | 5.60% |  |
Notes Payable, Noncurrent | $ 31,822 | $ 29,179 |  |
Other Notes payable interest rate | 4.95% | 4.40% |  |
Carrying Value of Securities Sold under Repurchase Agreements and Deposits Received for Securities Loaned | $ 0 | $ 0 |  |
Long-term Debt [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Subordinated Borrowing, Interest Rate | 5.25% |  |  |
Short-term Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Short-term Debt | $ 130,452 | 137,814 | $ 157,156 |
Line of Credit [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Short-term Debt | 0 | 0 |  |
Subordinated Debt [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Subordinated Debt | $ 44,600 | $ 44,200 |  | $ 49,500
Debt Instrument Maturity Period | 30 years |  |  |
DebtInstrumentMinimumCallablePeriod | 5 years |  |  |

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