FAIR VALUE - Additional Information (Details) - Loans Receivable [Member] - Property A [Member]	12 Months Ended
Dec. 31, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	15.00%
Age of appraisal	12 months

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration