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LOANS AND ALLOWANCE FOR LOAN LOSSES (Summary of Aging of the Loan Portfolio by Segment) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | $ 8,828 | $ 8,856
Total Loans | 12,220,514 | 9,716,207
Nonaccrual | 27,462 | 26,953
Current | 12,048,627 | 9,537,156
Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 101,301 | 90,221
Current | 85,583 | 71,213
30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 26,129 | 41,434
60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 8,167 | 11,587
Construction and Land Development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 855 | 180
Total Loans | 1,267,712 | 1,194,821
Nonaccrual | 5,619 | 8,018
Current | 1,246,412 | 1,177,204
Construction and Land Development | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 12,181 | 8,654
Current | 10,720 | 7,122
Construction and Land Development | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 2,327 | 759
Construction and Land Development | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 318 | 6
Commercial Real Estate - Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 2,540 | 3,193
Total Loans | 1,966,776 | 1,337,345
Nonaccrual | 4,062 | 3,636
Current | 1,925,839 | 1,294,975
Commercial Real Estate - Owner Occupied | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 32,628 | 25,644
Current | 27,909 | 20,705
Commercial Real Estate - Owner Occupied | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,707 | 8,755
Commercial Real Estate - Owner Occupied | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 1,142
Commercial Real Estate - Non-Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 1,489 | 0
Total Loans | 3,104,823 | 2,467,410
Nonaccrual | 1,685 | 1,789
Current | 3,085,589 | 2,447,907
Commercial Real Estate - Non-Owner Occupied | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 15,755 | 17,335
Current | 14,640 | 15,464
Commercial Real Estate - Non-Owner Occupied | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 141 | 338
Commercial Real Estate - Non-Owner Occupied | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 164 | 41
Multifamily Real Estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 0 | 0
Total Loans | 602,115 | 548,231
Nonaccrual | 0 | 0
Current | 600,805 | 547,997
Multifamily Real Estate | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 92 | 88
Current | 92 | 88
Multifamily Real Estate | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,218 | 0
Multifamily Real Estate | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 146
Commercial & Industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 295 | 132
Total Loans | 2,032,799 | 1,317,135
Nonaccrual | 1,183 | 1,524
Current | 2,022,993 | 1,309,581
Commercial & Industrial | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 3,930 | 2,156
Current | 2,604 | 1,017
Commercial & Industrial | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 3,223 | 3,353
Commercial & Industrial | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,175 | 389
Residential 1-4 Family - Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 863 | 1,409
Total Loans | 801,703 | 713,750
Nonaccrual | 4,135 | 2,481
Current | 781,757 | 687,957
Residential 1-4 Family - Commercial | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 12,675 | 13,707
Current | 11,423 | 9,312
Residential 1-4 Family - Commercial | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,622 | 6,619
Residential 1-4 Family - Commercial | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 651 | 1,577
Residential 1-4 Family - Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 845 | 2,437
Total Loans | 850,063 | 600,578
Nonaccrual | 8,677 | 7,276
Current | 813,950 | 556,907
Residential 1-4 Family - Mortgage | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 17,821 | 16,766
Current | 12,619 | 12,455
Residential 1-4 Family - Mortgage | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 5,969 | 12,049
Residential 1-4 Family - Mortgage | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 2,801 | 5,143
Auto |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 122 | 195
Total Loans | 311,858 | 301,943
Nonaccrual | 449 | 576
Current | 308,861 | 297,442
Auto | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 7 | 7
Current | 7 | 7
Auto | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 2,120 | 3,320
Auto | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 299 | 403
HELOC |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 658 | 440
Total Loans | 660,621 | 613,383
Nonaccrual | 1,432 | 1,518
Current | 647,348 | 600,055
HELOC | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 4,869 | 5,115
Current | 4,231 | 4,365
HELOC | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 4,978 | 4,611
HELOC | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,336 | 1,644
Consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 1,099 | 870
Total Loans | 383,653 | 379,694
Nonaccrual | 115 | 135
Current | 377,533 | 376,057
Consumer | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 689 | 32
Current | 684 | 18
Consumer | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 2,794 | 1,504
Consumer | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,423 | 1,096
Other Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater than 90 Days and still Accruing | 62 | 0
Total Loans | 238,391 | 241,917
Nonaccrual | 105 | 0
Current | 237,540 | 241,074
Other Commercial | Purchased Impaired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 654 | 717
Current | 654 | 660
Other Commercial | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | $ 30 | 126
Other Commercial | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | $ 0

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