REAL ESTATE (Narrative) (Details)	Dec. 31, 2019 property
Hotel
Real Estate Properties [Line Items]
Number of real estate properties	2
Office Building
Real Estate Properties [Line Items]
Number of real estate properties	3
Apartment Building
Real Estate Properties [Line Items]
Number of real estate properties	1
Retail Property
Real Estate Properties [Line Items]
Number of real estate properties	1

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