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LOANS AND ALLOWANCE FOR LOAN LOSSES (Loans Receivables Related Risk Rating Excluding Purchased Impaired Loans) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | $ 12,610,936 | $ 9,716,207
Construction and Land Development |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 1,250,924 | 1,194,821
Commercial Real Estate - Owner Occupied |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 2,041,243 | 1,337,345
Commercial Real Estate - Non-Owner Occupied |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 3,286,098 | 2,467,410
Multifamily Real Estate |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 633,743 | 548,231
Commercial and Industrial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 2,114,033 | 1,317,135
Residential 1-4 Family - Commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 724,337 | 640,419
Residential 1-4 Family - Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 890,503 | 673,909
Residential 1-4 Family - Revolving |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 659,504 | 613,383
Auto |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 350,419 | 301,943
Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 372,853 | 379,694
Other Commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 287,279 | 241,917
Excluding Purchased Impaired |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 12,524,255 | 9,625,986
Excluding Purchased Impaired | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 12,142,328 | 9,344,002
Excluding Purchased Impaired | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 316,317 | 201,174
Excluding Purchased Impaired | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 65,252 | 80,810
Excluding Purchased Impaired | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 358 | 0
Excluding Purchased Impaired | Construction and Land Development |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 1,239,980 | 1,186,167
Excluding Purchased Impaired | Construction and Land Development | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 1,197,066 | 1,130,577
Excluding Purchased Impaired | Construction and Land Development | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 37,182 | 43,894
Excluding Purchased Impaired | Construction and Land Development | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 5,732 | 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 | 2,013,805 | 1,311,701
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 1,916,492 | 1,231,422
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 87,004 | 50,939
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 10,309 | 29,340
Excluding Purchased Impaired | Commercial Real Estate - Owner Occupied | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 0 | 0
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 3,271,533 | 2,450,075
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 3,205,463 | 2,425,500
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 62,368 | 17,648
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 3,608 | 6,927
Excluding Purchased Impaired | Commercial Real Estate - Non-Owner Occupied | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 94 | 0
Excluding Purchased Impaired | Multifamily Real Estate |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 633,649 | 548,143
Excluding Purchased Impaired | Multifamily Real Estate | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 613,844 | 537,572
Excluding Purchased Impaired | Multifamily Real Estate | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 19,396 | 10,571
Excluding Purchased Impaired | Multifamily Real Estate | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 409 | 0
Excluding Purchased Impaired | Multifamily Real Estate | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 0 | 0
Excluding Purchased Impaired | Commercial and Industrial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 2,112,454 | 1,314,979
Excluding Purchased Impaired | Commercial and Industrial | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 2,043,903 | 1,273,549
Excluding Purchased Impaired | Commercial and Industrial | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 60,495 | 34,864
Excluding Purchased Impaired | Commercial and Industrial | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 8,048 | 6,566
Excluding Purchased Impaired | Commercial and Industrial | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 8 | 0
Excluding Purchased Impaired | Residential 1-4 Family - Commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 712,132 | 626,818
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 680,894 | 606,955
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 24,864 | 14,876
Excluding Purchased Impaired | Residential 1-4 Family - Commercial | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 6,374 | 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 | 875,790 | 657,037
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 841,408 | 624,346
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 13,592 | 17,065
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 20,534 | 15,626
Excluding Purchased Impaired | Residential 1-4 Family - Consumer | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 256 | 0
Excluding Purchased Impaired | Residential 1-4 Family - Revolving |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 655,377 | 608,268
Excluding Purchased Impaired | Residential 1-4 Family - Revolving | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 641,069 | 598,444
Excluding Purchased Impaired | Residential 1-4 Family - Revolving | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 6,373 | 6,316
Excluding Purchased Impaired | Residential 1-4 Family - Revolving | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 7,935 | 3,508
Excluding Purchased Impaired | Residential 1-4 Family - Revolving | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 0 | 0
Excluding Purchased Impaired | Auto |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 350,415 | 301,936
Excluding Purchased Impaired | Auto | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 345,960 | 296,907
Excluding Purchased Impaired | Auto | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 2,630 | 3,590
Excluding Purchased Impaired | Auto | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 1,825 | 1,439
Excluding Purchased Impaired | Auto | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 0 | 0
Excluding Purchased Impaired | Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 372,185 | 379,662
Excluding Purchased Impaired | Consumer | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 371,315 | 378,873
Excluding Purchased Impaired | Consumer | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 550 | 547
Excluding Purchased Impaired | Consumer | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 320 | 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 | 286,935 | 241,200
Excluding Purchased Impaired | Other Commercial | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 284,914 | 239,857
Excluding Purchased Impaired | Other Commercial | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 1,863 | 864
Excluding Purchased Impaired | Other Commercial | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 158 | 479
Excluding Purchased Impaired | Other Commercial | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | $ 0 | $ 0

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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524 + Details
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