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v3.20.1

SUBSEQUENT EVENTS - Additional Information (Details) - Aceland - USD ($) $ in Millions | 1 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2010 | Dec. 31, 2019
Subsequent Event [Line Items] |  |  |
Payments to acquire investments |  | $ 2.1 |
Short-term investments |  |  | $ 2.1
Other Income | Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Gain on other income | $ 0.3 |  |

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