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SUBORDINATED DEBENTURES (Details) - USD ($) $ in Thousands |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 28, 2024 | Jun. 30, 2022 | Jun. 15, 2022 | May 06, 2022 | Sep. 30, 2015 | Sep. 30, 2015 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Jul. 09, 2024 | Dec. 31, 2023
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Subordinated notes payable, net |  |  |  |  |  |  | $ 262,800 |  | $ 262,800 |  |  | $ 200,200
Interest expense related to the subordinated debt |  |  |  |  |  |  | $ 2,600 | $ 2,500 | $ 5,200 | $ 5,100 |  |
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 annual interest rate |  |  |  | 5.00% |  |  |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2032 (the Notes) | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  |  |  | us-gaap:SecuredOvernightFinancingRateSofrMember |  |  |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2032 (the Notes) | Debt Instrument, Redemption, Period Two [Member] |  |  |  |  |  |  |  |  |  |  |  |
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% |  |  |  |  |  |  |  |  |
Repayment |  |  | $ 115,000 |  |  |  |  |  |  |  |  |
Pre-tax 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% |  |  |  |  |  |  |  |  |  |
Repayment |  | $ 40,000 |  |  |  |  |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2030 (5.75%) |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount issued |  |  |  |  | $ 40,000 | $ 40,000 |  |  |  |  |  |
Date after debt becomes callable |  |  |  |  |  | Sep. 30, 2030 |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2030 (5.75%) | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Fixed annual interest rate |  |  |  |  | 5.75% | 5.75% |  |  |  |  |  |
Fixed annual rate, first period duration |  |  |  |  | 10 years |  |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2030 (5.75%) | From and including September 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis points added to benchmark rate |  |  |  |  |  | 3.72% |  |  |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  |  |  |  |  | us-gaap:SecuredOvernightFinancingRateSofrMember |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2034 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount issued | $ 65,000 |  |  |  |  |  |  |  |  |  |  |
Date after debt becomes callable | Jul. 15, 2029 |  |  |  |  |  |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2034 [Member] | Over-Allotment Option [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount issued |  |  |  |  |  |  |  |  |  |  | $ 9,800 |
Net proceeds of the offering for the repayment |  |  |  |  |  |  |  |  |  |  | $ 74,800 |
Fixed to Floating Rate Subordinated Notes Due 2034 [Member] | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Fixed annual interest rate | 9.00% |  |  |  |  |  |  |  |  |  |  |
Fixed to Floating Rate Subordinated Notes Due 2034 [Member] | Debt Instrument, Redemption, Period Two [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis points added to benchmark rate | 4.95% |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] | us-gaap:SecuredOvernightFinancingRateSofrMember |  |  |  |  |  |  |  |  |  |  |

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