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SUBORDINATED DEBENTURES (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2022 | May 06, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022 | Jun. 15, 2022
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Subordinated notes payable, net |  |  | $ 200,200 |  | $ 200,200 |  | $ 200,300 |
Interest expense related to the subordinated debt |  |  | $ 2,600 | $ 2,600 | $ 7,700 | $ 8,100 |  |
Fixed to Floating Rate Subordinated Notes Due 2032 (the Notes) |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount issued |  | $ 160,000 |  |  |  |  |  |
Date after debt becomes callable |  | May 15, 2027 |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2032 (the Notes) | Prior to May 15, 2027 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Fixed annual interest rate |  | 5.00% |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2032 (the Notes) | On or after August 15, 2027 | SOFR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Basis points added to benchmark rate |  | 2.18% |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2027 (4.50%) |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Fixed annual interest rate |  |  |  |  |  |  |  | 4.50%
Net proceeds of the offering for the repayment |  |  |  |  |  |  |  | $ 115,000
Write-off of debt issuance costs | $ 740 |  |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2025 (5.25%) |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Fixed annual interest rate | 5.25% |  |  |  |  |  |  |
Net proceeds of the offering for the repayment | $ 40,000 |  |  |  |  |  |  |

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