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FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) - 1919 Ventures - USD ($) $ in Millions | Dec. 31, 2020 | Jun. 26, 2018
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage loan |  | $ 44.4
Ownership percentage | 50.00% | 50.00%
Other Assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage loan |  | $ 44.4

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