CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (3,746)	$ 9,006	$ (15,921)	$ 17,857
Other comprehensive income (loss)
Unrealized gain on real estate-related securities	20	0	20	0
Unrealized loss on interest rate swaps	(805)	(7,957)	(11,610)	(11,801)
Amount of loss (gain) reclassified from other comprehensive income into income as interest expense and other, net	3,343	(1,274)	4,320	(2,751)
Total other comprehensive income (loss)	2,558	(9,231)	(7,270)	(14,552)
Comprehensive (loss) income	(1,188)	(225)	(23,191)	3,305
Comprehensive income allocated to noncontrolling interest	0	33	0	67
Comprehensive (loss) income attributable to the Company	$ (1,188)	$ (258)	$ (23,191)	$ 3,238