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PORTFOLIO LOANS - Schedule of Risk Grades Segregated by Category and Class of Portfolio Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | $ 13,598,266 | $ 7,697,087
Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 11,824,501 | 6,764,070
Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 1,291,575 | 756,610
Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 332,765 | 92,296
Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 103,329 | 62,023
Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 46,096 | 22,088
Commercial loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 10,919,490 | 5,552,288
Commercial loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 9,172,355 | 4,635,264
Commercial loans | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 1,284,255 | 747,202
Commercial loans | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 325,157 | 91,414
Commercial loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 100,564 | 59,480
Commercial loans | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 37,159 | 18,928
Commercial loans | C&I and other commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 4,395,871 | 1,904,515
Commercial loans | C&I and other commercial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 3,707,153 | 1,545,338
Commercial loans | C&I and other commercial | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 433,278 | 281,424
Commercial loans | C&I and other commercial | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 152,267 | 36,152
Commercial loans | C&I and other commercial | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 74,109 | 37,749
Commercial loans | C&I and other commercial | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 29,064 | 3,852
Commercial loans | CRE |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 5,424,095 | 3,269,564
Commercial loans | CRE | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 4,453,517 | 2,744,018
Commercial loans | CRE | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 794,313 | 438,945
Commercial loans | CRE | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 147,237 | 55,041
Commercial loans | CRE | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 21,228 | 16,507
Commercial loans | CRE | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 7,800 | 15,053
Commercial loans | Real estate construction |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 1,099,524 | 378,209
Commercial loans | Real estate construction | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 1,011,685 | 345,908
Commercial loans | Real estate construction | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 56,664 | 26,833
Commercial loans | Real estate construction | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 25,653 | 221
Commercial loans | Real estate construction | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 5,227 | 5,224
Commercial loans | Real estate construction | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 295 | 23
Retail loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 2,678,776 | 2,144,799
Retail loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 2,652,146 | 2,128,806
Retail loans | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 7,320 | 9,408
Retail loans | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 7,608 | 882
Retail loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 2,765 | 2,543
Retail loans | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 8,937 | 3,160
Retail loans | CRE |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 2,196,246 | 1,696,457
Retail loans | CRE | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 2,170,254 | 1,680,640
Retail loans | CRE | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 7,320 | 9,408
Retail loans | CRE | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 7,608 | 882
Retail loans | CRE | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 2,759 | 2,543
Retail loans | CRE | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 8,305 | 2,984
Retail loans | Retail other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 482,530 | 448,342
Retail loans | Retail other | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 481,892 | 448,166
Retail loans | Retail other | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 0 | 0
Retail loans | Retail other | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 0 | 0
Retail loans | Retail other | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | 6 | 0
Retail loans | Retail other | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total portfolio loans | $ 632 | $ 176

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