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LOANS AND ALLOWANCE FOR LOAN LOSSES - Schedule of Classes of Loan Portfolio Summarized by Aging Categories (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current |  | $ 994,892
Past Due | $ 1,592 | 5,277
90 (still accruing) |  | 0
Non- Accrual |  | 9,843
Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 10,958 |
Past Due | 802 |
90 (still accruing) | 57 |
Non- Accrual | 0 |
Total Loans | 11,760 |
Financing Receivables, 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 4,132
Financing Receivables, 30 to 59 Days Past Due | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 631 |
Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 1,145
Financing Receivables, 60 to 89 Days Past Due | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 114 |
Commercial Real Estate | Owner-occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 125,887 | 115,605
Past Due | 66 | 21
90 (still accruing) | 0 | 0
Non- Accrual | 1,841 | 1,185
Total Loans | 127,794 |
Commercial Real Estate | Owner-occupied | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,784 |
Past Due | 72 |
90 (still accruing) | 0 |
Non- Accrual | 0 |
Total Loans | 1,856 |
Commercial Real Estate | Non-owner occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 252,144 | 240,426
Past Due | 0 | 0
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 4,065
Total Loans | 252,144 |
Commercial Real Estate | Non-owner occupied | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 650 |
Past Due | 0 |
90 (still accruing) | 0 |
Non- Accrual | 0 |
Total Loans | 650 |
Commercial Real Estate | Multi-family |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 78,085 | 53,469
Past Due | 0 | 0
90 (still accruing) | 0 | 0
Non- Accrual | 131 | 165
Total Loans | 78,216 |
Commercial Real Estate | Multi-family | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 717 |
Past Due | 0 |
90 (still accruing) | 0 |
Non- Accrual | 0 |
Total Loans | 717 |
Commercial Real Estate | Non-owner occupied residential |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 99,803 | 77,454
Past Due | 255 | 145
90 (still accruing) | 0 | 0
Non- Accrual | 309 | 381
Total Loans | 100,367 |
Commercial Real Estate | Financing Receivables, 30 to 59 Days Past Due | Owner-occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 66 | 4
Commercial Real Estate | Financing Receivables, 30 to 59 Days Past Due | Owner-occupied | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Commercial Real Estate | Financing Receivables, 30 to 59 Days Past Due | Non-owner occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate | Financing Receivables, 30 to 59 Days Past Due | Non-owner occupied | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Commercial Real Estate | Financing Receivables, 30 to 59 Days Past Due | Multi-family |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate | Financing Receivables, 30 to 59 Days Past Due | Multi-family | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Commercial Real Estate | Financing Receivables, 30 to 59 Days Past Due | Non-owner occupied residential |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 226 | 145
Commercial Real Estate | Financing Receivables, 60 to 89 Days Past Due | Owner-occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 17
Commercial Real Estate | Financing Receivables, 60 to 89 Days Past Due | Owner-occupied | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 72 |
Commercial Real Estate | Financing Receivables, 60 to 89 Days Past Due | Non-owner occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate | Financing Receivables, 60 to 89 Days Past Due | Non-owner occupied | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Commercial Real Estate | Financing Receivables, 60 to 89 Days Past Due | Multi-family |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate | Financing Receivables, 60 to 89 Days Past Due | Multi-family | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Commercial Real Estate | Financing Receivables, 60 to 89 Days Past Due | Non-owner occupied residential |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 29 | 0
Acquisition and development | 1-4 family residential construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 7,385 | 11,238
Past Due | 0 | 0
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 492
Total Loans | 7,385 |
Acquisition and development | Commercial and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 41,822 | 19,226
Past Due | 37 | 25
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 0
Total Loans | 41,859 |
Acquisition and development | Commercial and land development | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 192 |
Past Due | 0 |
90 (still accruing) | 0 |
Non- Accrual | 0 |
Total Loans | 192 |
Acquisition and development | Financing Receivables, 30 to 59 Days Past Due | 1-4 family residential construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Acquisition and development | Financing Receivables, 30 to 59 Days Past Due | Commercial and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 37 | 25
Acquisition and development | Financing Receivables, 30 to 59 Days Past Due | Commercial and land development | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Acquisition and development | Financing Receivables, 60 to 89 Days Past Due | 1-4 family residential construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Acquisition and development | Financing Receivables, 60 to 89 Days Past Due | Commercial and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Acquisition and development | Financing Receivables, 60 to 89 Days Past Due | Commercial and land development | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 154,988 | 115,312
Past Due | 516 | 1
90 (still accruing) | 0 | 0
Non- Accrual | 286 | 350
Total Loans | 155,790 |
Commercial and industrial | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 4,943 |
Past Due | 231 |
90 (still accruing) | 0 |
Non- Accrual | 0 |
Total Loans | 5,174 |
Commercial and industrial | Financing Receivables, 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 411 | 1
Commercial and industrial | Financing Receivables, 30 to 59 Days Past Due | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 231 |
Commercial and industrial | Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 105 | 0
Commercial and industrial | Financing Receivables, 60 to 89 Days Past Due | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Municipal |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 50,982 | 42,065
Past Due | 0 | 0
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 0
Total Loans | 50,982 |
Municipal | Financing Receivables, 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Municipal | Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Residential mortgage | First lien |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 228,179 | 155,387
Past Due | 2,326 | 4,388
90 (still accruing) | 0 | 0
Non- Accrual | 1,808 | 2,734
Total Loans | 232,313 |
Residential mortgage | First lien | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 2,506 |
Past Due | 477 |
90 (still accruing) | 53 |
Non- Accrual | 0 |
Total Loans | 2,983 |
Residential mortgage | Home equity – term |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 11,487 | 11,753
Past Due | 683 | 9
90 (still accruing) | 0 | 0
Non- Accrual | 16 | 22
Total Loans | 12,186 |
Residential mortgage | Home equity – term | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 17 |
Past Due | 5 |
90 (still accruing) | 0 |
Non- Accrual | 0 |
Total Loans | 22 |
Residential mortgage | Home equity lines of credit |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 142,394 | 131,208
Past Due | 448 | 546
90 (still accruing) | 0 | 0
Non- Accrual | 774 | 438
Total Loans | 143,616 |
Residential mortgage | Financing Receivables, 30 to 59 Days Past Due | First lien |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,592 | 3,333
Residential mortgage | Financing Receivables, 30 to 59 Days Past Due | First lien | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 382 |
Residential mortgage | Financing Receivables, 30 to 59 Days Past Due | Home equity – term |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 678 | 9
Residential mortgage | Financing Receivables, 30 to 59 Days Past Due | Home equity – term | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 5 |
Residential mortgage | Financing Receivables, 30 to 59 Days Past Due | Home equity lines of credit |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 420 | 474
Residential mortgage | Financing Receivables, 60 to 89 Days Past Due | First lien |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 734 | 1,055
Residential mortgage | Financing Receivables, 60 to 89 Days Past Due | First lien | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 42 |
Residential mortgage | Financing Receivables, 60 to 89 Days Past Due | Home equity – term |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 5 | 0
Residential mortgage | Financing Receivables, 60 to 89 Days Past Due | Home equity – term | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Residential mortgage | Financing Receivables, 60 to 89 Days Past Due | Home equity lines of credit |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 28 | 72
Installment and other loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 33,135 | 21,749
Past Due | 110 | 142
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 11
Total Loans | 33,245 |
Installment and other loans | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 149 |
Past Due | 17 |
90 (still accruing) | 4 |
Non- Accrual | 0 |
Total Loans | 166 |
Installment and other loans | Financing Receivables, 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 66 | 141
Installment and other loans | Financing Receivables, 30 to 59 Days Past Due | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 13 |
Installment and other loans | Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 44 | $ 1
Installment and other loans | Financing Receivables, 60 to 89 Days Past Due | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Loans Excluding Acquired PCI |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,226,291 |
Past Due | 4,441 |
90 (still accruing) | 0 |
Non- Accrual | 5,165 |
Total Loans | 1,235,897 |
Loans Excluding Acquired PCI | Financing Receivables, 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 3,496 |
Loans Excluding Acquired PCI | Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 945 |
Total Portfolio Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,237,249 |
Past Due | 5,243 |
90 (still accruing) | 57 |
Non- Accrual | 5,165 |
Total Loans | 1,247,657 |
Total Portfolio Loans | Financing Receivables, 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 4,127 |
Total Portfolio Loans | Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | $ 1,059 |

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