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PORTFOLIO LOANS - Schedule of Risk Grades of Portfolio Loans, Further Sorted by Origination (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | $ 1,958,780 | $ 1,137,553
2025 / 2024, charge-off | 2,946 | 9
2024 / 2023 | 1,909,295 | 1,129,573
2024 /2023, charge-off | 13,830 | 15,011
2023 / 2022 | 1,863,616 | 1,485,489
2023 / 2022, charge-off | 4,600 | 254
2022 / 2021 | 2,443,758 | 1,250,313
2022 / 2021, charge-off | 1,481 | 3,099
2021 / 2020 | 1,685,752 | 619,027
2021 / 2020, charge-off | 13,844 | 4
Prior | 1,436,362 | 774,903
Prior, charge-off | 11,379 | 1,189
Revolving Loans | 2,300,703 | 1,300,229
Revolving Loans, charge-off | 4,586 | 0
Total | 13,598,266 | 7,697,087
Total, gross write-offs | 52,666 | 19,566
Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 11,824,501 | 6,764,070
Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 1,291,575 | 756,610
Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 332,765 | 92,296
Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 103,329 | 62,023
Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 46,096 | 22,088
Commercial loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 10,919,490 | 5,552,288
Commercial loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 9,172,355 | 4,635,264
Commercial loans | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 1,284,255 | 747,202
Commercial loans | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 325,157 | 91,414
Commercial loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 100,564 | 59,480
Commercial loans | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 37,159 | 18,928
Commercial loans | C&I and other commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 718,397 | 376,534
2025 / 2024, charge-off | 1,246 | 0
2024 / 2023 | 823,427 | 206,282
2024 /2023, charge-off | 2,626 | 14,980
2023 / 2022 | 534,565 | 215,489
2023 / 2022, charge-off | 4,347 | 148
2022 / 2021 | 334,593 | 144,671
2022 / 2021, charge-off | 1,440 | 22
2021 / 2020 | 263,957 | 76,789
2021 / 2020, charge-off | 13,591 | 0
Prior | 181,890 | 144,014
Prior, charge-off | 11,254 | 303
Revolving Loans | 1,539,042 | 740,736
Revolving Loans, charge-off | 4,550 | 0
Total | 4,395,871 | 1,904,515
Total, gross write-offs | 39,054 | 15,453
Commercial loans | C&I and other commercial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 659,612 | 320,831
2024 / 2023 | 722,192 | 147,909
2023 / 2022 | 425,370 | 163,870
2022 / 2021 | 238,755 | 125,053
2021 / 2020 | 192,946 | 74,146
Prior | 151,925 | 117,234
Revolving Loans | 1,316,353 | 596,295
Total | 3,707,153 | 1,545,338
Commercial loans | C&I and other commercial | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 26,374 | 38,734
2024 / 2023 | 79,588 | 49,394
2023 / 2022 | 66,467 | 44,709
2022 / 2021 | 46,942 | 16,393
2021 / 2020 | 55,238 | 2,175
Prior | 18,233 | 20,964
Revolving Loans | 140,436 | 109,055
Total | 433,278 | 281,424
Commercial loans | C&I and other commercial | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 17,388 | 1,718
2024 / 2023 | 17,339 | 2,293
2023 / 2022 | 25,541 | 5,658
2022 / 2021 | 43,362 | 2,634
2021 / 2020 | 4,974 | 106
Prior | 2,913 | 2,540
Revolving Loans | 40,750 | 21,203
Total | 152,267 | 36,152
Commercial loans | C&I and other commercial | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 10,422 | 15,186
2024 / 2023 | 1,965 | 6,545
2023 / 2022 | 16,543 | 788
2022 / 2021 | 4,216 | 591
2021 / 2020 | 10,159 | 320
Prior | 3,771 | 2,424
Revolving Loans | 27,033 | 11,895
Total | 74,109 | 37,749
Commercial loans | C&I and other commercial | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 4,601 | 65
2024 / 2023 | 2,343 | 141
2023 / 2022 | 644 | 464
2022 / 2021 | 1,318 | 0
2021 / 2020 | 640 | 42
Prior | 5,048 | 852
Revolving Loans | 14,470 | 2,288
Total | 29,064 | 3,852
Commercial loans | CRE |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 852,917 | 467,816
2025 / 2024, charge-off | 1,297 | 0
2024 / 2023 | 567,657 | 488,528
2024 /2023, charge-off | 11,057 | 0
2023 / 2022 | 852,985 | 828,525
2023 / 2022, charge-off | 0 | 0
2022 / 2021 | 1,395,727 | 709,847
2022 / 2021, charge-off | 0 | 2,999
2021 / 2020 | 1,000,602 | 389,461
2021 / 2020, charge-off | 253 | 0
Prior | 711,610 | 358,936
Prior, charge-off | 0 | 315
Revolving Loans | 42,597 | 26,451
Revolving Loans, charge-off | 0 | 0
Total | 5,424,095 | 3,269,564
Total, gross write-offs | 12,607 | 3,314
Commercial loans | CRE | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 631,171 | 291,503
2024 / 2023 | 487,489 | 354,591
2023 / 2022 | 703,228 | 755,266
2022 / 2021 | 1,216,265 | 645,994
2021 / 2020 | 776,293 | 356,867
Prior | 600,081 | 314,340
Revolving Loans | 38,990 | 25,457
Total | 4,453,517 | 2,744,018
Commercial loans | CRE | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 169,711 | 115,078
2024 / 2023 | 56,362 | 132,900
2023 / 2022 | 139,202 | 60,611
2022 / 2021 | 156,277 | 62,408
2021 / 2020 | 186,841 | 28,320
Prior | 83,665 | 38,733
Revolving Loans | 2,255 | 895
Total | 794,313 | 438,945
Commercial loans | CRE | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 50,239 | 39,252
2024 / 2023 | 23,098 | 643
2023 / 2022 | 5,093 | 8,020
2022 / 2021 | 14,139 | 1,395
2021 / 2020 | 37,467 | 4,165
Prior | 16,067 | 1,517
Revolving Loans | 1,134 | 49
Total | 147,237 | 55,041
Commercial loans | CRE | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 1,714 | 6,983
2024 / 2023 | 708 | 355
2023 / 2022 | 914 | 4,628
2022 / 2021 | 9,046 | 50
2021 / 2020 | 0 | 95
Prior | 8,628 | 4,346
Revolving Loans | 218 | 50
Total | 21,228 | 16,507
Commercial loans | CRE | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 82 | 15,000
2024 / 2023 | 0 | 39
2023 / 2022 | 4,548 | 0
2022 / 2021 | 0 | 0
2021 / 2020 | 1 | 14
Prior | 3,169 | 0
Revolving Loans | 0 | 0
Total | 7,800 | 15,053
Commercial loans | Real estate construction |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 265,344 | 185,219
2025 / 2024, charge-off | 0 | 0
2024 / 2023 | 372,376 | 140,905
2024 /2023, charge-off | 0 | 0
2023 / 2022 | 128,667 | 12,205
2023 / 2022, charge-off | 0 | 0
2022 / 2021 | 215,814 | 25,233
2022 / 2021, charge-off | 0 | 0
2021 / 2020 | 32,838 | 2,213
2021 / 2020, charge-off | 0 | 0
Prior | 3,632 | 1,124
Prior, charge-off | 0 | 0
Revolving Loans | 80,853 | 11,310
Revolving Loans, charge-off | 0 | 0
Total | 1,099,524 | 378,209
Total, gross write-offs | 0 | 0
Commercial loans | Real estate construction | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 240,725 | 159,825
2024 / 2023 | 328,610 | 134,450
2023 / 2022 | 125,079 | 12,205
2022 / 2021 | 215,814 | 24,781
2021 / 2020 | 25,158 | 2,213
Prior | 3,632 | 1,124
Revolving Loans | 72,667 | 11,310
Total | 1,011,685 | 345,908
Commercial loans | Real estate construction | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 1,221 | 20,170
2024 / 2023 | 43,492 | 6,455
2023 / 2022 | 3,588 | 0
2022 / 2021 | 0 | 208
2021 / 2020 | 177 | 0
Prior | 0 | 0
Revolving Loans | 8,186 | 0
Total | 56,664 | 26,833
Commercial loans | Real estate construction | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 18,233 | 0
2024 / 2023 | 0 | 0
2023 / 2022 | 0 | 0
2022 / 2021 | 0 | 221
2021 / 2020 | 7,420 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 25,653 | 221
Commercial loans | Real estate construction | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 5,165 | 5,224
2024 / 2023 | 0 | 0
2023 / 2022 | 0 | 0
2022 / 2021 | 0 | 0
2021 / 2020 | 62 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 5,227 | 5,224
Commercial loans | Real estate construction | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 0 | 0
2024 / 2023 | 274 | 0
2023 / 2022 | 0 | 0
2022 / 2021 | 0 | 23
2021 / 2020 | 21 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 295 | 23
Retail loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2,678,776 | 2,144,799
Retail loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2,652,146 | 2,128,806
Retail loans | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 7,320 | 9,408
Retail loans | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 7,608 | 882
Retail loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2,765 | 2,543
Retail loans | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 8,937 | 3,160
Retail loans | CRE |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 115,672 | 102,988
2025 / 2024, charge-off | 85 | 0
2024 / 2023 | 139,066 | 238,099
2024 /2023, charge-off | 0 | 0
2023 / 2022 | 309,565 | 371,259
2023 / 2022, charge-off | 0 | 0
2022 / 2021 | 460,893 | 358,351
2022 / 2021, charge-off | 0 | 0
2021 / 2020 | 382,205 | 148,260
2021 / 2020, charge-off | 0 | 0
Prior | 538,521 | 270,229
Prior, charge-off | 51 | 168
Revolving Loans | 250,324 | 207,271
Revolving Loans, charge-off | 36 | 0
Total | 2,196,246 | 1,696,457
Total, gross write-offs | 172 | 168
Retail loans | CRE | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 111,695 | 101,582
2024 / 2023 | 138,069 | 237,306
2023 / 2022 | 304,874 | 366,820
2022 / 2021 | 457,128 | 354,380
2021 / 2020 | 379,646 | 147,236
Prior | 533,444 | 267,431
Revolving Loans | 245,398 | 205,885
Total | 2,170,254 | 1,680,640
Retail loans | CRE | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 2,696 | 1,255
2024 / 2023 | 606 | 550
2023 / 2022 | 489 | 2,733
2022 / 2021 | 1,520 | 3,377
2021 / 2020 | 280 | 872
Prior | 1,160 | 124
Revolving Loans | 569 | 497
Total | 7,320 | 9,408
Retail loans | CRE | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 69 | 151
2024 / 2023 | 84 | 0
2023 / 2022 | 4,052 | 344
2022 / 2021 | 1,479 | 0
2021 / 2020 | 1,705 | 0
Prior | 0 | 372
Revolving Loans | 219 | 15
Total | 7,608 | 882
Retail loans | CRE | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 1,000 | 0
2024 / 2023 | 0 | 243
2023 / 2022 | 111 | 1,018
2022 / 2021 | 447 | 503
2021 / 2020 | 489 | 0
Prior | 712 | 776
Revolving Loans | 0 | 3
Total | 2,759 | 2,543
Retail loans | CRE | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 212 | 0
2024 / 2023 | 307 | 0
2023 / 2022 | 39 | 344
2022 / 2021 | 319 | 91
2021 / 2020 | 85 | 152
Prior | 3,205 | 1,526
Revolving Loans | 4,138 | 871
Total | 8,305 | 2,984
Retail loans | Retail other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 6,450 | 4,996
2025 / 2024, charge-off | 318 | 9
2024 / 2023 | 6,769 | 55,759
2024 /2023, charge-off | 147 | 31
2023 / 2022 | 37,834 | 58,011
2023 / 2022, charge-off | 253 | 106
2022 / 2021 | 36,731 | 12,211
2022 / 2021, charge-off | 41 | 78
2021 / 2020 | 6,150 | 2,304
2021 / 2020, charge-off | 0 | 4
Prior | 709 | 600
Prior, charge-off | 74 | 403
Revolving Loans | 387,887 | 314,461
Revolving Loans, charge-off | 0 | 0
Total | 482,530 | 448,342
Total, gross write-offs | 833 | 631
Retail loans | Retail other | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 6,415 | 4,996
2024 / 2023 | 6,769 | 55,665
2023 / 2022 | 37,741 | 57,944
2022 / 2021 | 36,632 | 12,207
2021 / 2020 | 6,150 | 2,304
Prior | 703 | 589
Revolving Loans | 387,482 | 314,461
Total | 481,892 | 448,166
Retail loans | Retail other | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 0 |
2024 / 2023 | 0 |
2023 / 2022 | 0 |
2022 / 2021 | 0 |
2021 / 2020 | 0 |
Prior | 0 |
Revolving Loans | 0 |
Total | 0 | 0
Retail loans | Retail other | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 0 |
2024 / 2023 | 0 |
2023 / 2022 | 0 |
2022 / 2021 | 0 |
2021 / 2020 | 0 |
Prior | 0 |
Revolving Loans | 0 |
Total | 0 | 0
Retail loans | Retail other | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 0 |
2024 / 2023 | 0 |
2023 / 2022 | 0 |
2022 / 2021 | 0 |
2021 / 2020 | 0 |
Prior | 6 |
Revolving Loans | 0 |
Total | 6 | 0
Retail loans | Retail other | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 35 | 0
2024 / 2023 | 0 | 94
2023 / 2022 | 93 | 67
2022 / 2021 | 99 | 4
2021 / 2020 | 0 | 0
Prior | 0 | 11
Revolving Loans | 405 | 0
Total | $ 632 | $ 176

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