Annual report pursuant to Section 13 and 15(d)

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

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LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Loans Stated at Face Amount, Net of Unearned Income) (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs $ 14,449,142 $ 13,195,843
Total Allowance for credit losses (110,768) (99,787)
Total loans held for investment, net 14,338,374 13,096,056
Loans receivable, deferred fees and costs 50,400 49,300
Construction and Land Development    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 1,101,260 862,236
Commercial Real Estate - Owner Occupied    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 1,982,608 1,995,409
Commercial Real Estate - Non-Owner Occupied    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 3,996,130 3,789,377
Multifamily Real Estate    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 802,923 778,626
Commercial and Industrial    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 2,983,349 2,542,243
Residential 1-4 Family - Commercial    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 538,063 607,337
Residential 1-4 Family - Mortgage    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 940,275 816,524
Residential 1-4 Family - Revolving    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 585,184 560,796
Auto    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 592,976 461,052
Consumer    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 152,545 176,992
Other Commercial    
Loans and Leases Receivable Disclosure [Line Items]    
LHFI, net of deferred fees and costs 773,829 605,251
Paycheck Protection Program (PPP) | Commercial and Industrial    
Loans and Leases Receivable Disclosure [Line Items]    
Total loans held for investment, net 7,300 145,300,000
Paycheck Protection Program (PPP) | Other Commercial    
Loans and Leases Receivable Disclosure [Line Items]    
Total loans held for investment, net $ 0 $ 5,100