DESCRIPTION OF BUSINESS - Additional Information (Detail) $ in Billions	12 Months Ended
	Dec. 31, 2019 Segment Building	Aug. 20, 2019 USD ($)
Organization and Nature of Operations [Line Items]
Number of reportable segment | Segment	1
Asset sale transaction value | $		$ 4.0
Consolidated and Unconsolidated Properties
Organization and Nature of Operations [Line Items]
Real estate properties owned, buildings | Building	296