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
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Dec. 31, 2023
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs $ 27,361,173   $ 18,470,621      
Total Allowance for credit losses (293,035) $ (315,574) (178,644) $ (160,685) $ (158,131) $ (132,182)
Total loans held for investment, net 27,068,138   18,291,977      
Loans receivable, deferred fees and costs 847,300   220,600      
Construction and Land Development            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 2,163,182   1,731,108      
Commercial Real Estate ("CRE") - Owner Occupied            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 4,335,919   2,370,119      
CRE - Non-Owner Occupied            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 6,805,302   4,935,590      
Multifamily Real Estate            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 2,196,467   1,240,209      
Commercial and Industrial            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 4,956,770   3,864,695      
Residential 1-4 Family - Commercial            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 1,105,067   719,425      
Residential 1-4 Family - Mortgage            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 2,799,669   1,293,817      
Residential 1-4 Family - Revolving            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 1,186,298   756,944      
Automobile Loan [Member]            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 211,900   316,368      
Consumer            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs 121,620   104,882      
Other Commercial            
Loans and Leases Receivable Disclosure [Line Items]            
LHFI, net of deferred fees and costs $ 1,478,979   $ 1,137,464