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, 2025
Dec. 31, 2024
Dec. 31, 2023
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income $ 27,796,167 $ 18,470,621  
Total Allowance for credit losses (295,108) (178,644) $ (132,182)
Total loans held for investment, net 27,501,059 18,291,977  
Loans receivable, deferred fees and costs 803,200 220,600  
Construction and Land Development      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 1,666,381 1,731,108  
Commercial Real Estate ("CRE") - Owner Occupied      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 4,305,796 2,370,119  
CRE - Non-Owner Occupied      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 7,178,515 4,935,590  
Multifamily Real Estate      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 2,418,250 1,240,209  
Commercial and Industrial      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 5,229,728 3,864,695  
Residential 1-4 Family - Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 1,100,157 719,425  
Residential 1-4 Family - Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 2,825,259 1,293,817  
Residential 1-4 Family - Revolving      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 1,248,284 756,944  
Automobile Loan [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 183,720 316,368  
Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income 121,488 104,882  
Other Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
LHFI, net of unearned income $ 1,518,589 $ 1,137,464