Quarterly report [Sections 13 or 15(d)]

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
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
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