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BORROWING ARRANGEMENTS - Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |  |
Other borrowings |  | $ 509,820 | $ 221,153
FHLB borrowings |  | 212,648 | 153,358
Other borrowings: |  |  |
Debt Instrument [Line Items] |  |  |
Other borrowings |  | 509,820 | 221,153
Average amount outstanding during the period | [1] | 436,676 | 77,845
Maximum amount outstanding during the period | [2] | $ 1,030,421 | $ 316,563
Weighted average interest rate during the period | [3] | 4.90% | 2.40%
Interest rate at end of period | [4] | 5.00% | 4.10%
FHLB borrowings: |  |  |
Debt Instrument [Line Items] |  |  |
FHLB borrowings |  | $ 212,648 | $ 153,358
Average amount outstanding during the period | [1] | 276,584 | 135,926
Maximum amount outstanding during the period | [2] | $ 533,242 | $ 423,645
Weighted average interest rate during the period | [3] | 2.50% | 2.40%
Interest rate at end of period | [5] | 1.20% | 0.70%
[1] | The average amount outstanding during the period was computed by dividing the total daily outstanding principal balances by the number of days in the period.
[2] | The maximum amount outstanding at any month-end during the period.
[3] | The weighted average interest rate during the period was computed by dividing the actual interest expense by the average amount outstanding during the period. The weighted average interest rate on other borrowings and FHLB borrowings includes the effect of interest rate swaps.
[4] | Stated rate.
[5] | The interest rate on FHLB borrowings includes the effect of interest rate swaps.

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