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LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Schedule of Stated at Face Amount, Net of Unearned Income) (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2023
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Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | $ 18,427,689 | $ 18,470,621 |  |
Total Allowance for credit losses | (193,796) | (178,644) | $ (136,190) | $ (132,182)
Total loans held for investment, net | 18,233,893 | 18,291,977 |  |
Loans receivable, deferred fees and costs | 206,000 | 220,600 |  |
Construction and Land Development |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 1,305,969 | 1,731,108 |  |
Commercial Real Estate ("CRE") - Owner Occupied |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 2,363,509 | 2,370,119 |  |
CRE - Non-Owner Occupied |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 5,072,694 | 4,935,590 |  |
Multifamily Real Estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 1,531,547 | 1,240,209 |  |
Commercial and Industrial |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 3,819,415 | 3,864,695 |  |
Residential 1-4 Family - Commercial |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 738,388 | 719,425 |  |
Residential 1-4 Family - Mortgage |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 1,286,526 | 1,293,817 |  |
Residential 1-4 Family - Revolving |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 778,527 | 756,944 |  |
Automobile Loan [Member] |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 279,517 | 316,368 |  |
Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | 101,334 | 104,882 |  |
Other Commercial |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
LHFI, net of deferred fees and costs | $ 1,150,263 | $ 1,137,464 |  |

X
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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References No definition available. + Details
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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References No definition available. + Details
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