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LOANS AND CREDIT QUALITY - Loan and Lease Receivable Portfolio (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025 | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | --- | --- | ---
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | $ 13,852,209 | $ 14,176,936 |  |
Allowance for credit losses on loans | (156,796) | (153,319) | $ (75,515) | $ (88,558)
Net loan receivables | 13,695,413 | 14,023,617 |  |
Greater than 89 Days Past Due |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 33,447 | 34,686 |  |
Commercial and industrial |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 460,081 | 482,170 |  |
Allowance for credit losses on loans | (8,860) | (8,417) | (4,297) | (4,869)
Commercial and industrial | Greater than 89 Days Past Due |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 8,490 | 8,024 |  |
Commercial real estate |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 5,291,597 | 5,355,252 |  |
Allowance for credit losses on loans | (120,758) | (114,326) | (34,995) | (35,097)
Commercial real estate | Multifamily |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 5,291,597 | 5,355,252 |  |
Commercial real estate | Multifamily | Greater than 89 Days Past Due |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 0 | 1,614 |  |
Commercial real estate | Non-owner occupied |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 1,711,611 | 1,740,277 |  |
Commercial real estate | Non-owner occupied | Greater than 89 Days Past Due |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 11,586 | 11,586 |  |
Commercial real estate | Owner occupied |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 586,698 | 689,079 |  |
Commercial real estate | Owner occupied | Greater than 89 Days Past Due |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 272 | 226 |  |
Commercial real estate | Construction and land development |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 399,546 | 493,992 |  |
Commercial real estate | Construction and land development | Greater than 89 Days Past Due |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 3,225 | 2,962 |  |
Residential Real Estate |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 4,017,120 | 3,970,803 |  |
Allowance for credit losses on loans | (13,621) | (13,294) | (4,763) | (4,656)
Residential Real Estate | Greater than 89 Days Past Due |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 7,459 | 7,187 |  |
Auto |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 639,825 | 791,012 |  |
Allowance for credit losses on loans | (11,446) | (15,003) | (28,935) | (41,282)
Auto | Greater than 89 Days Past Due |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 2,412 | 3,086 |  |
Other consumer |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | 745,731 | 654,351 |  |
Allowance for credit losses on loans | (2,111) | (2,279) | $ (2,525) | $ (2,654)
Other consumer | Greater than 89 Days Past Due |  |  |  |
Loans held for investment |  |  |  |
Total loan receivables before allowance for credit losses | $ 3 | $ 1 |  |

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