SEGMENT DISCLOSURE - Reconciliation of Segment Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019
Segment disclosure
Interest and other income	$ 2,957		$ 3,892
Asset management and other fees to related parties	(4,139)		(5,886)
Interest expense	(3,167)		(4,045)
General and administrative	(1,734)		(1,788)
Transaction costs	0		(44)
Depreciation and amortization	(5,258)		(9,630)
Loss on early extinguishment of debt	0		(25,071)
Impairment of real estate	0	$ (2,800)	(66,200)
Gain on sale of real estate	0		377,581
(Loss) income before provision for income taxes	(1,278)		291,941
Provision for income taxes	22		(318)
NET (LOSS) INCOME	(1,256)		291,623
Net (income) loss attributable to noncontrolling interests	(4)		174
NET (LOSS) INCOME ATTRIBUTABLE TO THE COMPANY	(1,260)		291,797
Reportable segments
Segment disclosure
(Loss) income before provision for income taxes	11,535		24,815
Corporate and Reconciling Items
Segment disclosure
Interest and other income	1		319
Asset management and other fees to related parties	(3,457)		(5,249)
Interest expense	(2,876)		(3,463)
General and administrative	$ (1,223)		$ (1,117)