Quarterly report pursuant to Section 13 or 15(d)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Loans Receivables Related Risk Rating Excluding Purchased Impaired Loans) (Details)

v3.19.3
LOANS AND ALLOWANCE FOR LOAN LOSSES (Loans Receivables Related Risk Rating Excluding Purchased Impaired Loans) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]    
Total Loans $ 12,306,997 $ 9,716,207
Construction and Land Development    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,201,149 1,194,821
Commercial Real Estate - Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,979,052 1,337,345
Commercial Real Estate - Non-Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 3,198,580 2,467,410
Multifamily Real Estate    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 659,946 548,231
Commercial & Industrial    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 2,058,133 1,317,135
Residential 1-4 Family - Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 721,185 640,419
Residential 1-4 Family - Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 913,245 673,909
Auto    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 328,456 301,943
HELOC    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 660,963 613,383
Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 386,848 379,694
Other Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 199,440 241,917
Excluding Purchased Impaired    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 12,217,262 9,625,986
Excluding Purchased Impaired | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 11,818,482 9,344,002
Excluding Purchased Impaired | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 318,370 201,174
Excluding Purchased Impaired | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 80,169 80,810
Excluding Purchased Impaired | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 241 0
Excluding Purchased Impaired | Construction and Land Development    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,192,762 1,186,167
Excluding Purchased Impaired | Construction and Land Development | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,148,732 1,130,577
Excluding Purchased Impaired | Construction and Land Development | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 33,136 43,894
Excluding Purchased Impaired | Construction and Land Development | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 10,894 11,696
Excluding Purchased Impaired | Construction and Land Development | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 0 0
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,951,235 1,311,701
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,850,909 1,231,422
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 78,451 50,939
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 21,730 29,340
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 145 0
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 3,181,295 2,450,075
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 3,124,018 2,425,500
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 54,884 17,648
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 2,297 6,927
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 96 0
Excluding Purchased Impaired | Multifamily Real Estate    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 659,853 548,143
Excluding Purchased Impaired | Multifamily Real Estate | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 645,193 537,572
Excluding Purchased Impaired | Multifamily Real Estate | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 13,448 10,571
Excluding Purchased Impaired | Multifamily Real Estate | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,212 0
Excluding Purchased Impaired | Multifamily Real Estate | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 0 0
Excluding Purchased Impaired | Commercial & Industrial    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 2,054,871 1,314,979
Excluding Purchased Impaired | Commercial & Industrial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,949,546 1,273,549
Excluding Purchased Impaired | Commercial & Industrial | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 99,337 34,864
Excluding Purchased Impaired | Commercial & Industrial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 5,988 6,566
Excluding Purchased Impaired | Commercial & Industrial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 0 0
Excluding Purchased Impaired | Residential 1-4 Family - Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 708,948 626,818
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 679,023 606,955
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 22,772 14,876
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 7,153 4,987
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 0 0
Excluding Purchased Impaired | Residential 1-4 Family - Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 898,268 657,037
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 871,391 624,346
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 4,584 17,065
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 22,293 15,626
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 0 0
Excluding Purchased Impaired | Auto    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 328,449 301,936
Excluding Purchased Impaired | Auto | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 324,396 296,907
Excluding Purchased Impaired | Auto | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,990 3,590
Excluding Purchased Impaired | Auto | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 2,063 1,439
Excluding Purchased Impaired | Auto | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 0 0
Excluding Purchased Impaired | HELOC    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 656,688 608,268
Excluding Purchased Impaired | HELOC | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 644,019 598,444
Excluding Purchased Impaired | HELOC | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 6,529 6,316
Excluding Purchased Impaired | HELOC | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 6,140 3,508
Excluding Purchased Impaired | HELOC | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 0 0
Excluding Purchased Impaired | Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 386,166 379,662
Excluding Purchased Impaired | Consumer | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 384,744 378,873
Excluding Purchased Impaired | Consumer | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,182 547
Excluding Purchased Impaired | Consumer | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 240 242
Excluding Purchased Impaired | Consumer | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 0 0
Excluding Purchased Impaired | Other Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 198,727 241,200
Excluding Purchased Impaired | Other Commercial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 196,511 239,857
Excluding Purchased Impaired | Other Commercial | Watch & Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 2,057 864
Excluding Purchased Impaired | Other Commercial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 159 479
Excluding Purchased Impaired | Other Commercial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Total Loans $ 0 $ 0