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RELATED PARTY TRANSACTIONS (Additional Information) (Detail) - Chairman And Chief Executive Officer - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Related Party Transaction [Line Items] |  |  |  |
Rent revenue from an entity 100% owned by the Company's Related Party | $ 2,700 | $ 1,000 | $ 9,000 | $ 36,000
Pacific Oaks Plaza |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Percentage owned | 100.00% |  | 100.00% |

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