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LOANS AND ALLOWANCE FOR LOAN LOSSES (Allowance for Loan Loss Activity, by Portfolio Segment, Balances for Allowance for Credit Losses, and Loans Based on Impairment Methodology) (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2020 | Jan. 01, 2020 | Dec. 31, 2019
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | $ 42,294 | $ 41,045 | $ 38,208 |  |  |
Impact of ASC 326 adoption on non-PCD loans | 45,098 |  |  |  |  |
Impact of ASC 326 adoption on PCD loans | 2,386 |  |  |  |  |
Impact of ASC 326 adoption | 47,484 |  |  |  |  |
Loans charged off | (18,193) | (28,108) | (16,230) |  |  |
Recoveries credited to allowance | 6,755 | 7,232 | 5,168 |  |  |
Provision charged to operations | 82,200 | 22,125 | 13,899 |  |  |
Balance, end of period | 160,540 | 42,294 | 41,045 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | $ 59,123
ALLL individually evaluated for impairment |  |  |  |  |  | 3,027
Loans collectively evaluated for impairment |  |  |  |  |  | 12,465,132
ALLL collectively evaluated for impairment |  |  |  |  |  | 39,050
Total Loans |  |  |  | $ 14,021,314 |  | 12,610,936
Total ALLL | 160,540 | 41,045 | 41,045 | 160,540 | $ 89,778 | 42,294
Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 217 |  |  |  |  |
Balance, end of period |  | 217 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 86,681
Total ALLL | 217 | 217 |  |  |  | 217
Construction and Land Development |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 5,758 | 6,803 | 9,709 |  |  |
Loans charged off |  | (4,218) | (2,005) |  |  |
Recoveries credited to allowance |  | 665 | 447 |  |  |
Provision charged to operations |  | 2,508 | (1,348) |  |  |
Balance, end of period |  | 5,758 | 6,803 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 6,861
ALLL individually evaluated for impairment |  |  |  |  |  | 49
Loans collectively evaluated for impairment |  |  |  |  |  | 1,233,119
ALLL collectively evaluated for impairment |  |  |  |  |  | 5,709
Total Loans |  |  |  | 925,798 |  | 1,250,924
Total ALLL | 5,758 | 6,803 | 6,803 |  |  | 5,758
Construction and Land Development | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 0 |  |  |  |  |
Balance, end of period |  | 0 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 10,944
Total ALLL | 0 | 0 |  |  |  | 0
Commercial Real Estate - Owner Occupied |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 3,919 | 4,023 | 2,931 |  |  |
Loans charged off |  | (1,346) | (709) |  |  |
Recoveries credited to allowance |  | 456 | 610 |  |  |
Provision charged to operations |  | 786 | 1,191 |  |  |
Balance, end of period |  | 3,919 | 4,023 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 11,621
ALLL individually evaluated for impairment |  |  |  |  |  | 146
Loans collectively evaluated for impairment |  |  |  |  |  | 2,002,184
ALLL collectively evaluated for impairment |  |  |  |  |  | 3,773
Total Loans |  |  |  | 2,128,909 |  | 2,041,243
Total ALLL | 3,919 | 3,919 | 2,931 |  |  | 3,919
Commercial Real Estate - Owner Occupied | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 0 |  |  |  |  |
Balance, end of period |  | 0 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 27,438
Total ALLL | 0 | 0 |  |  |  | 0
Commercial Real Estate - Non-Owner Occupied |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 9,543 | 8,865 | 7,544 |  |  |
Loans charged off |  | (270) | (94) |  |  |
Recoveries credited to allowance |  | 109 | 100 |  |  |
Provision charged to operations |  | 839 | 1,315 |  |  |
Balance, end of period |  | 9,543 | 8,865 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 3,845
ALLL individually evaluated for impairment |  |  |  |  |  | 2
Loans collectively evaluated for impairment |  |  |  |  |  | 3,267,688
ALLL collectively evaluated for impairment |  |  |  |  |  | 9,541
Total Loans |  |  |  | 3,657,562 |  | 3,286,098
Total ALLL | 9,543 | 8,865 | 8,865 |  |  | 9,543
Commercial Real Estate - Non-Owner Occupied | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 0 |  |  |  |  |
Balance, end of period |  | 0 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 14,565
Total ALLL | 0 | 0 |  |  |  | 0
Multifamily Real Estate |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 632 | 649 | 1,092 |  |  |
Loans charged off |  | 0 | 0 |  |  |
Recoveries credited to allowance |  | 85 | 5 |  |  |
Provision charged to operations |  | (102) | (448) |  |  |
Balance, end of period |  | 632 | 649 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 0
ALLL individually evaluated for impairment |  |  |  |  |  | 0
Loans collectively evaluated for impairment |  |  |  |  |  | 633,649
ALLL collectively evaluated for impairment |  |  |  |  |  | 632
Total Loans |  |  |  | 814,745 |  | 633,743
Total ALLL | 632 | 632 | 1,092 |  |  | 632
Multifamily Real Estate | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 0 |  |  |  |  |
Balance, end of period |  | 0 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 94
Total ALLL | 0 | 0 |  |  |  | 0
Commercial and Industrial |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 8,604 | 7,636 | 4,552 |  |  |
Loans charged off |  | (3,096) | (833) |  |  |
Recoveries credited to allowance |  | 1,132 | 534 |  |  |
Provision charged to operations |  | 2,932 | 3,383 |  |  |
Balance, end of period |  | 8,604 | 7,636 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 6,236
ALLL individually evaluated for impairment |  |  |  |  |  | 619
Loans collectively evaluated for impairment |  |  |  |  |  | 2,106,218
ALLL collectively evaluated for impairment |  |  |  |  |  | 7,768
Total Loans |  |  |  | 3,263,460 |  | 2,114,033
Total ALLL | 8,604 | 7,636 | 7,636 |  |  | 8,604
Commercial and Industrial | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 217 |  |  |  |  |
Balance, end of period |  | 217 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 1,579
Total ALLL | 217 | 217 |  |  |  | 217
Residential 1-4 Family - Commercial |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 1,365 | 1,692 | 4,437 |  |  |
Loans charged off |  | (472) | (176) |  |  |
Recoveries credited to allowance |  | 372 | 353 |  |  |
Provision charged to operations |  | (227) | (2,922) |  |  |
Balance, end of period |  | 1,365 | 1,692 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 5,773
ALLL individually evaluated for impairment |  |  |  |  |  | 162
Loans collectively evaluated for impairment |  |  |  |  |  | 706,359
ALLL collectively evaluated for impairment |  |  |  |  |  | 1,203
Total Loans |  |  |  | 671,949 |  | 724,337
Total ALLL | 1,365 | 1,365 | 4,437 |  |  | 1,365
Residential 1-4 Family - Commercial | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 0 |  |  |  |  |
Balance, end of period |  | 0 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 12,205
Total ALLL | 0 | 0 |  |  |  | 0
Residential 1-4 Family - Consumer |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 2,013 | 1,492 | 1,524 |  |  |
Loans charged off |  | (144) | (852) |  |  |
Recoveries credited to allowance |  | 466 | 310 |  |  |
Provision charged to operations |  | 199 | 510 |  |  |
Balance, end of period |  | 2,013 | 1,492 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 20,446
ALLL individually evaluated for impairment |  |  |  |  |  | 1,242
Loans collectively evaluated for impairment |  |  |  |  |  | 855,344
ALLL collectively evaluated for impairment |  |  |  |  |  | 771
Total Loans |  |  |  | 822,866 |  | 890,503
Total ALLL | 2,013 | 2,013 | 1,524 |  |  | 2,013
Residential 1-4 Family - Consumer | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 0 |  |  |  |  |
Balance, end of period |  | 0 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 14,713
Total ALLL | 0 | 0 |  |  |  | 0
Auto |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 1,453 | 1,443 | 975 |  |  |
Loans charged off |  | (1,282) | (1,074) |  |  |
Recoveries credited to allowance |  | 549 | 436 |  |  |
Provision charged to operations |  | 743 | 1,106 |  |  |
Balance, end of period |  | 1,453 | 1,443 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 563
ALLL individually evaluated for impairment |  |  |  |  |  | 221
Loans collectively evaluated for impairment |  |  |  |  |  | 349,852
ALLL collectively evaluated for impairment |  |  |  |  |  | 1,232
Total Loans |  |  |  | 401,324 |  | 350,419
Total ALLL | 1,453 | 1,443 | 1,443 |  |  | 1,453
Auto | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 0 |  |  |  |  |
Balance, end of period |  | 0 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 4
Total ALLL | 0 | 0 |  |  |  | 0
Commercial Portfolio |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 30,941 |  |  |  |  |
Impact of ASC 326 adoption on non-PCD loans | 4,432 |  |  |  |  |
Impact of ASC 326 adoption on PCD loans | 1,752 |  |  |  |  |
Impact of ASC 326 adoption | 6,184 |  |  |  |  |
Loans charged off | (6,671) |  |  |  |  |
Recoveries credited to allowance | 3,517 |  |  |  |  |
Provision charged to operations | 83,432 |  |  |  |  |
Balance, end of period | 117,403 | 30,941 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  | 11,952,398 |  |
Total ALLL | 117,403 | 30,941 |  | 117,403 | 37,125 | 30,941
Consumer |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  | 247,730 |  | 372,853
Consumer | Purchased Impaired |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 668
Consumer Portfolio |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 11,353 |  |  |  |  |
Impact of ASC 326 adoption on non-PCD loans | 40,666 |  |  |  |  |
Impact of ASC 326 adoption on PCD loans | 634 |  |  |  |  |
Impact of ASC 326 adoption | 41,300 |  |  |  |  |
Loans charged off | (11,522) |  |  |  |  |
Recoveries credited to allowance | 3,238 |  |  |  |  |
Provision charged to operations | (1,232) |  |  |  |  |
Balance, end of period | 43,137 | 11,353 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  | 2,068,916 |  |
Total ALLL | 43,137 | 11,353 |  | 43,137 | $ 52,653 | 11,353
Consumer and all other |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 7,684 | 7,145 | 4,084 |  |  |
Loans charged off |  | (16,582) | (9,281) |  |  |
Recoveries credited to allowance |  | 2,706 | 1,737 |  |  |
Provision charged to operations |  | 14,415 | 10,605 |  |  |
Balance, end of period |  | 7,684 | 7,145 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 730
ALLL individually evaluated for impairment |  |  |  |  |  | 76
Loans collectively evaluated for impairment |  |  |  |  |  | 658,390
ALLL collectively evaluated for impairment |  |  |  |  |  | 7,608
Total Loans |  |  |  |  |  | 660,132
Total ALLL | 7,684 | 7,145 | 7,145 |  |  | 7,684
Consumer and all other | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 0 |  |  |  |  |
Balance, end of period |  | 0 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 1,012
Total ALLL | 0 | 0 |  |  |  | 0
Residential 1-4 Family - Revolving |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 1,323 | 1,297 | 1,360 |  |  |
Loans charged off |  | (698) | (1,206) |  |  |
Recoveries credited to allowance |  | 692 | 636 |  |  |
Provision charged to operations |  | 32 | 507 |  |  |
Balance, end of period |  | 1,323 | 1,297 |  |  |
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment |  |  |  |  |  | 3,048
ALLL individually evaluated for impairment |  |  |  |  |  | 510
Loans collectively evaluated for impairment |  |  |  |  |  | 652,329
ALLL collectively evaluated for impairment |  |  |  |  |  | 813
Total Loans |  |  |  | $ 596,996 |  | 659,504
Total ALLL | 1,323 | 1,297 | $ 1,297 |  |  | 1,323
Residential 1-4 Family - Revolving | Purchased Impaired |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Balance, beginning of the year | 0 |  |  |  |  |
Balance, end of period |  | 0 |  |  |  |
Loans: |  |  |  |  |  |
Total Loans |  |  |  |  |  | 4,127
Total ALLL | $ 0 | $ 0 |  |  |  | $ 0

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