SUBSEQUENT EVENTS (Narrative) (Details)	Jan. 22, 2020 USD ($)	Feb. 19, 2020 $ / shares	Dec. 31, 2019 $ / shares	Dec. 31, 2018 $ / shares
Subsequent Event [Line Items]
Common stock, par value (in dollars per share)			$ 0.01	$ 0.01
Subsequent Event | Pacific Oak Strategic Opportunity REIT II, Inc.
Subsequent Event [Line Items]
Common stock, par value (in dollars per share)		$ 0.01
Merger, share ratio conversion		0.9643
Merger, issue price per share for incentive fees (in dollars per share)		$ 10.63
Subsequent Event | Maximum
Subsequent Event [Line Items]
NAV conversion, public offering | $	$ 1,000,000,000