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LOANS AND ALLOWANCE FOR LOAN LOSSES - Schedule of Number of Loans Modified (Detail) | 12 Months Ended
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Dec. 31, 2019 USD ($) contract | Dec. 31, 2018 USD ($) contract | Dec. 31, 2017 USD ($) contract
Financing Receivable, Modifications [Line Items] |  |  |
Pre- Modification Investment Balance |  | $ 0 |
Post- Modification Investment Balance |  | $ 0 |
Commercial Real Estate | Owner-occupied |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Contracts | contract | 3 | 3 | 2
Pre- Modification Investment Balance | $ 1,900,000 | $ 1,866,000 | $ 119,000
Post- Modification Investment Balance |  | $ 1,881,000 | $ 119,000

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