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COMMITMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES - Commitments To Make Loans And Open Ended Revolving Lines Of Credit (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | $ 97,116 | $ 142,611
Variable Rate | 2,825,553 | 2,559,866
Total commercial loans |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 96,814 | 140,022
Variable Rate | 2,373,830 | 2,129,211
Standby letters of credit |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 0 | 0
Variable Rate | 51,383 | 48,406
Real estate mortgage loans |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 302 | 377
Variable Rate | 4,271 | 5,668
Real estate construction mortgage loans |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 0 | 2,212
Variable Rate | 4,271 | 9,043
Home equity mortgage open-ended revolving lines |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 0 | 0
Variable Rate | 364,928 | 341,622
Total consumer loans |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 0 | 0
Variable Rate | $ 26,870 | $ 25,916

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