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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Impaired Loans, Excluding Purchased Impaired (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Impaired loans |  |  |  |  |
Average carrying balance of individually assessed loans | $ 17,100 | $ 15,900 | $ 39,500 | $ 16,100 |
Commercial Portfolio Segment |  |  |  |  |
Impaired loans |  |  |  |  |
Loans with allowance allocation, Carrying Balance | 1,680 |  | 1,680 |  | $ 22,143
Loans with allowance allocation, Contractual Balance | 1,880 |  | 1,880 |  | 22,338
Loans with allowance allocation, Specifically Allocated Allowance | 448 |  | 448 |  | 3,628
Loans without allowance allocation, Carrying Balance | 14,878 |  | 14,878 |  | 16,818
Loans without allowance allocation, Contractual Balance | 17,683 |  | 17,683 |  | 18,638
Loans without allowance allocation, Specifically Allocated Allowance | 0 |  | 0 |  | 0
CRE - multifamily | Commercial Portfolio Segment |  |  |  |  |
Impaired loans |  |  |  |  |
Loans with allowance allocation, Carrying Balance | 0 |  | 0 |  | 12,068
Loans with allowance allocation, Contractual Balance | 0 |  | 0 |  | 12,068
Loans with allowance allocation, Specifically Allocated Allowance | 0 |  | 0 |  | 2,764
CRE - owner occupied | Commercial Portfolio Segment |  |  |  |  |
Impaired loans |  |  |  |  |
Loans without allowance allocation, Carrying Balance | 6,285 |  | 6,285 |  | 7,554
Loans without allowance allocation, Contractual Balance | 6,575 |  | 6,575 |  | 8,360
Loans without allowance allocation, Specifically Allocated Allowance | 0 |  | 0 |  | 0
CRE - non-owner occupied | Commercial Portfolio Segment |  |  |  |  |
Impaired loans |  |  |  |  |
Loans with allowance allocation, Carrying Balance | 0 |  | 0 |  | 10,075
Loans with allowance allocation, Contractual Balance | 0 |  | 0 |  | 10,270
Loans with allowance allocation, Specifically Allocated Allowance | 0 |  | 0 |  | 864
Loans without allowance allocation, Carrying Balance | 1,360 |  | 1,360 |  | 1,592
Loans without allowance allocation, Contractual Balance | 2,403 |  | 2,403 |  | 2,606
Loans without allowance allocation, Specifically Allocated Allowance | 0 |  | 0 |  | 0
Commercial & industrial and other business loans | Commercial Portfolio Segment |  |  |  |  |
Impaired loans |  |  |  |  |
Loans with allowance allocation, Carrying Balance | 1,680 |  | 1,680 |  | 0
Loans with allowance allocation, Contractual Balance | 1,880 |  | 1,880 |  | 0
Loans with allowance allocation, Specifically Allocated Allowance | 448 |  | 448 |  | 0
Loans without allowance allocation, Carrying Balance | 7,233 |  | 7,233 |  | 7,672
Loans without allowance allocation, Contractual Balance | 8,705 |  | 8,705 |  | 7,672
Loans without allowance allocation, Specifically Allocated Allowance | 0 |  | 0 |  | $ 0
Minimum |  |  |  |  |
Impaired loans |  |  |  |  |
Threshold balance of loans individually evaluated for impairment | $ 500,000 |  | $ 500,000 |  |

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