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FAIR VALUE OF FINANCIAL INSTRUMENTS - Recurring and Nonrecurring basis (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Assets |  |  |  |  |
Investment securities available for sale | $ 1,212,090 |  | $ 1,212,090 |  | $ 915,895
Equity securities | $ 4,705 |  | $ 4,705 |  | $ 4,501
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Other assets |  | Other assets |  | Other assets
U.S. Treasury securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale |  |  |  |  | $ 1,097
U.S. government sponsored entities and U.S. agency securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | $ 42,824 |  | $ 42,824 |  | 72,572
Mortgage-backed securities - non-agency |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 85,926 |  | 85,926 |  | 83,529
State and municipal securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 70,471 |  | 70,471 |  | 57,460
Corporate securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 87,962 |  | 87,962 |  | 99,172
Other securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 90,143 |  | 90,143 |  | 27,565
Recurring member |  |  |  |  |
Assets |  |  |  |  |
Loans held for sale | 8,001 |  | 8,001 |  | 3,811
Derivative assets | 313 |  | 313 |  | 372
Total | 1,225,109 |  | 1,225,109 |  | 924,579
Liabilities |  |  |  |  |
Derivative liabilities | 6,825 |  | 6,825 |  | 8,836
Total | 6,825 |  | 6,825 |  | 8,836
Recurring member | U.S. Treasury securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale |  |  |  |  | 1,097
Recurring member | U.S. government sponsored entities and U.S. agency securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 42,824 |  | 42,824 |  | 72,572
Recurring member | Mortgage-backed securities - agency |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 834,764 |  | 834,764 |  | 574,500
Recurring member | Mortgage-backed securities - non-agency |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 85,926 |  | 85,926 |  | 83,529
Recurring member | State and municipal securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 70,471 |  | 70,471 |  | 57,460
Recurring member | Corporate securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 87,962 |  | 87,962 |  | 99,172
Recurring member | Other securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 90,143 |  | 90,143 |  |
Recurring member | Equity securities |  |  |  |  |
Assets |  |  |  |  |
Equity securities | 4,705 |  | 4,705 |  | 4,501
Recurring member | Level 1 |  |  |  |  |
Assets |  |  |  |  |
Loans held for sale | 0 |  | 0 |  | 0
Derivative assets | 0 |  | 0 |  | 0
Total | 4,705 |  | 4,705 |  | 5,598
Liabilities |  |  |  |  |
Derivative liabilities | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Recurring member | Level 1 | U.S. Treasury securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale |  |  |  |  | 1,097
Recurring member | Level 1 | U.S. government sponsored entities and U.S. agency securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 1 | Mortgage-backed securities - agency |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 1 | Mortgage-backed securities - non-agency |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 1 | State and municipal securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 1 | Corporate securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 1 | Other securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  |
Recurring member | Level 1 | Equity securities |  |  |  |  |
Assets |  |  |  |  |
Equity securities | 4,705 |  | 4,705 |  | 4,501
Recurring member | Level 2 |  |  |  |  |
Assets |  |  |  |  |
Loans held for sale | 8,001 |  | 8,001 |  | 3,811
Derivative assets | 313 |  | 313 |  | 372
Total | 1,220,404 |  | 1,220,404 |  | 918,981
Liabilities |  |  |  |  |
Derivative liabilities | 6,825 |  | 6,825 |  | 8,836
Total | 6,825 |  | 6,825 |  | 8,836
Recurring member | Level 2 | U.S. Treasury securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale |  |  |  |  | 0
Recurring member | Level 2 | U.S. government sponsored entities and U.S. agency securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 42,824 |  | 42,824 |  | 72,572
Recurring member | Level 2 | Mortgage-backed securities - agency |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 834,764 |  | 834,764 |  | 574,500
Recurring member | Level 2 | Mortgage-backed securities - non-agency |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 85,926 |  | 85,926 |  | 83,529
Recurring member | Level 2 | State and municipal securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 70,471 |  | 70,471 |  | 57,460
Recurring member | Level 2 | Corporate securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 87,962 |  | 87,962 |  | 99,172
Recurring member | Level 2 | Other securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 90,143 |  | 90,143 |  |
Recurring member | Level 2 | Equity securities |  |  |  |  |
Assets |  |  |  |  |
Equity securities | 0 |  | 0 |  | 0
Recurring member | Level 3 |  |  |  |  |
Assets |  |  |  |  |
Loans held for sale | 0 |  | 0 |  | 0
Derivative assets | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Liabilities |  |  |  |  |
Derivative liabilities | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Recurring member | Level 3 | U.S. Treasury securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale |  |  |  |  | 0
Recurring member | Level 3 | U.S. government sponsored entities and U.S. agency securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 3 | Mortgage-backed securities - agency |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 3 | Mortgage-backed securities - non-agency |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 3 | State and municipal securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 3 | Corporate securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  | 0
Recurring member | Level 3 | Other securities |  |  |  |  |
Assets |  |  |  |  |
Investment securities available for sale | 0 |  | 0 |  |
Recurring member | Level 3 | Equity securities |  |  |  |  |
Assets |  |  |  |  |
Equity securities | 0 |  | 0 |  | 0
Non recurring member |  |  |  |  |
Assets measured at fair value on a non-recurring basis: |  |  |  |  |
Nonperforming loans | 68,213 |  | 68,213 |  | 4,633
Other real estate owned | 8,646 |  | 8,646 |  | 9,112
Losses recognized on assets measured on non-recurring basis |  |  |  |  |
Nonperforming loans | 355 | $ 10,085 | 14,225 | $ 14,761 |
Other real estate owned | 548 | 0 | 1,278 | 0 |
Total losses on assets measured on a nonrecurring basis | 903 | $ 10,085 | 15,503 | $ 14,761 |
Non recurring member | Level 1 |  |  |  |  |
Assets measured at fair value on a non-recurring basis: |  |  |  |  |
Nonperforming loans | 0 |  | 0 |  | 0
Other real estate owned | 0 |  | 0 |  | 0
Non recurring member | Level 2 |  |  |  |  |
Assets measured at fair value on a non-recurring basis: |  |  |  |  |
Nonperforming loans | 57,128 |  | 57,128 |  | 3,964
Other real estate owned | 8,646 |  | 8,646 |  | 9,112
Non recurring member | Level 3 |  |  |  |  |
Assets measured at fair value on a non-recurring basis: |  |  |  |  |
Nonperforming loans | 11,085 |  | 11,085 |  | 669
Other real estate owned | $ 0 |  | $ 0 |  | $ 0

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