Annual report [Section 13 and 15(d), not S-K Item 405]

LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Schedule of Stated at Face Amount, Net of Unearned Income) (Details)

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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
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs $ 18,470,621 $ 15,635,043  
Total Allowance for credit losses (178,644) (132,182) $ (110,768)
Total loans held for investment, net 18,291,977 15,502,861  
Loans receivable, deferred fees and costs 220,600 79,700  
Construction Loans [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 1,731,108 1,107,850  
CRE - Owner Occupied      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 2,370,119 1,998,787  
CRE - Non-Owner Occupied      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 4,935,590 4,172,401  
Multifamily Real Estate      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 1,240,209 1,061,997  
Commercial and Industrial      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 3,864,695 3,589,347  
Residential 1-4 Family - Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 719,425 522,580  
Residential 1-4 Family - Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 1,293,817 1,078,173  
Residential 1-4 Family - Revolving      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 756,944 619,433  
Automobile Loan [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 316,368 486,926  
Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs 104,882 120,641  
Other Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of deferred fees and costs $ 1,137,464 $ 876,908