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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, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | $ 9,092 |
Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 19,219 | $ 10,958
Past Due | 4,986 | 802
90 (still accruing) | 2,013 | 57
Non- Accrual | 0 | 0
Total Loans | 24,205 | 11,760
Financing Receivables, 30 to 59 Days Past Due | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,988 | 631
Financing Receivables, 60 to 89 Days Past Due | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 985 | 114
Commercial Real Estate | Owner-occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 158,723 | 125,887
Past Due | 144 | 66
90 (still accruing) | 0 | 0
Non- Accrual | 5,842 | 1,841
Total Loans | 164,709 | 127,794
Commercial Real Estate | Owner-occupied | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 6,015 | 1,784
Past Due | 160 | 72
90 (still accruing) | 31 | 0
Non- Accrual | 0 | 0
Total Loans | 6,175 | 1,856
Commercial Real Estate | Non-owner occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 359,425 | 252,144
Past Due | 480 | 0
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 0
Total Loans | 359,905 | 252,144
Commercial Real Estate | Non-owner occupied | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 564 | 650
Past Due | 581 | 0
90 (still accruing) | 581 | 0
Non- Accrual | 0 | 0
Total Loans | 1,145 | 650
Commercial Real Estate | Multi-family |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 105,865 | 78,085
Past Due | 0 | 0
90 (still accruing) | 0 | 0
Non- Accrual | 345 | 131
Total Loans | 106,210 | 78,216
Commercial Real Estate | Multi-family | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 683 | 717
Past Due | 0 | 0
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 0
Total Loans | 683 | 717
Commercial Real Estate | Non-owner occupied residential |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 116,370 | 99,268
Past Due | 976 | 255
90 (still accruing) | 69 | 0
Non- Accrual | 235 | 309
Total Loans | 117,581 | 99,832
Commercial Real Estate | Non-owner occupied residential | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,710 | 535
Past Due | 747 | 0
90 (still accruing) | 531 | 0
Non- Accrual | 0 | 0
Total Loans | 2,457 | 535
Commercial Real Estate | Financing Receivables, 30 to 59 Days Past Due | Owner-occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 144 | 66
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 | 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 | 480 | 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 | 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 | 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 | 841 | 226
Commercial Real Estate | Financing Receivables, 30 to 59 Days Past Due | Non-owner occupied residential | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 105 | 0
Commercial Real Estate | Financing Receivables, 60 to 89 Days Past Due | 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 | Owner-occupied | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 129 | 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 | 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 | 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 | 66 | 29
Commercial Real Estate | Financing Receivables, 60 to 89 Days Past Due | Non-owner occupied residential | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 111 | 0
Acquisition and development | 1-4 family residential construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 15,587 | 7,385
Past Due | 278 | 0
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 0
Total Loans | 15,865 | 7,385
Acquisition and development | Commercial and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 40,403 | 41,822
Past Due | 1,135 | 37
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 0
Total Loans | 41,538 | 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 | 278 | 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 | 1,135 | 37
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 | 208,668 | 154,988
Past Due | 315 | 516
90 (still accruing) | 0 | 0
Non- Accrual | 1,763 | 286
Total Loans | 210,746 | 155,790
Commercial and industrial | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 3,792 | 4,943
Past Due | 16 | 231
90 (still accruing) | 16 | 0
Non- Accrual | 0 | 0
Total Loans | 3,808 | 5,174
Commercial and industrial | Financing Receivables, 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 315 | 411
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 | 0 | 231
Commercial and industrial | Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 105
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 | 0
Municipal |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 47,057 | 50,982
Past Due | 0 | 0
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 0
Total Loans | 47,057 | 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 | 314,473 | 228,714
Past Due | 10,476 | 2,326
90 (still accruing) | 150 | 0
Non- Accrual | 1,659 | 1,808
Total Loans | 326,608 | 232,848
Residential mortgage | First lien | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 6,308 | 1,971
Past Due | 3,456 | 477
90 (still accruing) | 854 | 53
Non- Accrual | 0 | 0
Total Loans | 9,764 | 2,448
Residential mortgage | Home equity – term |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 13,993 | 11,487
Past Due | 4 | 683
90 (still accruing) | 0 | 0
Non- Accrual | 13 | 16
Total Loans | 14,010 | 12,186
Residential mortgage | Home equity – term | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 16 | 17
Past Due | 4 | 5
90 (still accruing) | 0 | 0
Non- Accrual | 0 | 0
Total Loans | 20 | 22
Residential mortgage | Home equity lines of credit |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 163,907 | 142,394
Past Due | 692 | 448
90 (still accruing) | 0 | 0
Non- Accrual | 715 | 774
Total Loans | 165,314 | 143,616
Residential mortgage | Financing Receivables, 30 to 59 Days Past Due | First lien |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 9,092 | 1,592
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 | 1,857 | 382
Residential mortgage | Financing Receivables, 30 to 59 Days Past Due | Home equity – term |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 678
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 | 4 | 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 | 417 | 420
Residential mortgage | Financing Receivables, 60 to 89 Days Past Due | First lien |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,234 | 734
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 | 745 | 42
Residential mortgage | Financing Receivables, 60 to 89 Days Past Due | Home equity – term |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 4 | 5
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 | 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 | 275 | 28
Installment and other loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 50,224 | 33,135
Past Due | 273 | 110
90 (still accruing) | 0 | 0
Non- Accrual | 85 | 0
Total Loans | 50,582 | 33,245
Installment and other loans | Loans acquired with credit deterioration |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 131 | 149
Past Due | 22 | 17
90 (still accruing) | 0 | 4
Non- Accrual | 0 | 0
Total Loans | 153 | 166
Installment and other loans | Financing Receivables, 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 236 | 66
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 | 22 | 13
Installment and other loans | Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 37 | 44
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 | 0
Loans Excluding Acquired PCI |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,594,695 | 1,226,291
Past Due | 14,773 | 4,441
90 (still accruing) | 219 | 0
Non- Accrual | 10,657 | 5,165
Total Loans | 1,620,125 | 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 | 12,938 | 3,496
Loans Excluding Acquired PCI | Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,616 | 945
Total Portfolio Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 1,613,914 | 1,237,249
Past Due | 19,759 | 5,243
90 (still accruing) | 2,232 | 57
Non- Accrual | 10,657 | 5,165
Total Loans | 1,644,330 | 1,247,657
Total Portfolio Loans | Financing Receivables, 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 14,926 | 4,127
Total Portfolio Loans | Financing Receivables, 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | $ 2,601 | $ 1,059

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