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PORTFOLIO LOANS - Schedule of ACL and Amortized Cost of Portfolio Loans by Loan Category (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | --- | --- | ---
Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | $ 7,993,941 |  | $ 7,647,883 |  |  |
Individually Evaluated for Impairment | 4,971 |  | 3,151 |  |  |
Total | 7,998,912 |  | 7,651,034 |  |  |
ACL Attributed to Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 84,737 |  | 90,845 |  |  |
Individually Evaluated for Impairment | 489 |  | 895 |  |  |
Total | 85,226 | $ 91,562 | 91,740 | $ 91,639 | $ 91,727 | $ 91,608
Total commercial loans |  |  |  |  |  |
Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 5,794,323 |  | 5,631,983 |  |  |
Individually Evaluated for Impairment | 4,891 |  | 3,065 |  |  |
Total | 5,799,214 |  | 5,635,048 |  |  |
ACL Attributed to Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 58,642 |  | 61,014 |  |  |
Individually Evaluated for Impairment | 470 |  | 870 |  |  |
Total | 59,112 |  | 61,884 |  |  |
C&I and other commercial |  |  |  |  |  |
Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 1,941,305 |  | 1,833,624 |  |  |
Individually Evaluated for Impairment | 1,669 |  | 2,370 |  |  |
Total | 1,942,974 |  | 1,835,994 |  |  |
ACL Attributed to Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 20,238 |  | 20,471 |  |  |
Individually Evaluated for Impairment | 48 |  | 785 |  |  |
Total | 20,286 | 26,207 | 21,256 | 24,510 | 24,276 | 23,860
Commercial real estate |  |  |  |  |  |
Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 3,442,292 |  | 3,336,642 |  |  |
Individually Evaluated for Impairment | 3,222 |  | 695 |  |  |
Total | 3,445,514 |  | 3,337,337 |  |  |
ACL Attributed to Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 34,682 |  | 35,380 |  |  |
Individually Evaluated for Impairment | 422 |  | 85 |  |  |
Total | 35,104 | 33,505 | 35,465 | 33,656 | 34,421 | 38,299
Real estate construction |  |  |  |  |  |
Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 410,726 |  | 461,717 |  |  |
Individually Evaluated for Impairment | 0 |  | 0 |  |  |
Total | 410,726 |  | 461,717 |  |  |
ACL Attributed to Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 3,722 |  | 5,163 |  |  |
Individually Evaluated for Impairment | 0 |  | 0 |  |  |
Total | 3,722 | 4,713 | 5,163 | 5,071 | 5,159 | 6,457
Total retail loans |  |  |  |  |  |
Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 2,199,618 |  | 2,015,900 |  |  |
Individually Evaluated for Impairment | 80 |  | 86 |  |  |
Total | 2,199,698 |  | 2,015,986 |  |  |
ACL Attributed to Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 26,095 |  | 29,831 |  |  |
Individually Evaluated for Impairment | 19 |  | 25 |  |  |
Total | 26,114 |  | 29,856 |  |  |
Retail real estate |  |  |  |  |  |
Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 1,727,201 |  | 1,720,369 |  |  |
Individually Evaluated for Impairment | 80 |  | 86 |  |  |
Total | 1,727,281 |  | 1,720,455 |  |  |
ACL Attributed to Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 23,710 |  | 26,273 |  |  |
Individually Evaluated for Impairment | 19 |  | 25 |  |  |
Total | 23,729 | 24,281 | 26,298 | 24,675 | 24,255 | 18,193
Retail other |  |  |  |  |  |
Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 472,417 |  | 295,531 |  |  |
Individually Evaluated for Impairment | 0 |  | 0 |  |  |
Total | 472,417 |  | 295,531 |  |  |
ACL Attributed to Portfolio Loans |  |  |  |  |  |
Collectively Evaluated for Impairment | 2,385 |  | 3,558 |  |  |
Individually Evaluated for Impairment | 0 |  | 0 |  |  |
Total | $ 2,385 | $ 2,856 | $ 3,558 | $ 3,727 | $ 3,616 | $ 4,799

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