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PORTFOLIO LOANS - Schedule of Allowance for Loan Losses and Recorded Investments in Portfolio Loans, by Category (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | $ 7,647,883 | $ 7,710,055 |  |
Individually Evaluated for Impairment | 3,151 | 15,647 |  |
Total | 7,651,034 | 7,725,702 |  |
ACL Attributed to Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 90,845 | 87,107 |  |
Individually Evaluated for Impairment | 895 | 4,501 |  |
Total | 91,740 | 91,608 | $ 87,887 | $ 101,048
Commercial |  |  |  |
Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 1,833,624 | 1,967,580 |  |
Individually Evaluated for Impairment | 2,370 | 6,574 |  |
Total | 1,835,994 | 1,974,154 |  |
ACL Attributed to Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 20,471 | 21,384 |  |
Individually Evaluated for Impairment | 785 | 2,476 |  |
Total | 21,256 | 23,860 | 23,855 | 23,866
Commercial real estate |  |  |  |
Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 3,336,642 | 3,255,636 |  |
Individually Evaluated for Impairment | 695 | 6,237 |  |
Total | 3,337,337 | 3,261,873 |  |
ACL Attributed to Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 35,380 | 36,299 |  |
Individually Evaluated for Impairment | 85 | 2,000 |  |
Total | 35,465 | 38,299 | 38,249 | 46,230
Real estate construction |  |  |  |
Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 461,717 | 530,222 |  |
Individually Evaluated for Impairment | 0 | 247 |  |
Total | 461,717 | 530,469 |  |
ACL Attributed to Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 5,163 | 6,457 |  |
Individually Evaluated for Impairment | 0 | 0 |  |
Total | 5,163 | 6,457 | 5,102 | 8,193
Total commercial loans |  |  |  |
Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 5,631,983 | 5,753,438 |  |
Individually Evaluated for Impairment | 3,065 | 13,058 |  |
Total | 5,635,048 | 5,766,496 |  |
ACL Attributed to Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 61,014 | 64,140 |  |
Individually Evaluated for Impairment | 870 | 4,476 |  |
Total | 61,884 | 68,616 |  |
Retail real estate |  |  |  |
Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 1,720,369 | 1,654,493 |  |
Individually Evaluated for Impairment | 86 | 2,589 |  |
Total | 1,720,455 | 1,657,082 |  |
ACL Attributed to Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 26,273 | 18,168 |  |
Individually Evaluated for Impairment | 25 | 25 |  |
Total | 26,298 | 18,193 | 17,589 | 21,992
Retail other |  |  |  |
Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 295,531 | 302,124 |  |
Individually Evaluated for Impairment | 0 | 0 |  |
Total | 295,531 | 302,124 |  |
ACL Attributed to Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 3,558 | 4,799 |  |
Individually Evaluated for Impairment | 0 | 0 |  |
Total | 3,558 | 4,799 | $ 3,092 | $ 767
Retail loans and related ACL |  |  |  |
Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 2,015,900 | 1,956,617 |  |
Individually Evaluated for Impairment | 86 | 2,589 |  |
Total | 2,015,986 | 1,959,206 |  |
ACL Attributed to Portfolio Loans |  |  |  |
Collectively Evaluated for Impairment | 29,831 | 22,967 |  |
Individually Evaluated for Impairment | 25 | 25 |  |
Total | $ 29,856 | $ 22,992 |  |

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