Segment Reporting (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Rental income from real estate assets sold or held for sale	$ 579	$ 8,712	$ 2,004	$ 19,352
Operating expenses from real estate assets sold or held for sale	(243)	(3,637)	(772)	(8,071)
Net operating income from real estate assets sold or held for sale	$ 336	$ 5,075	$ 1,232	$ 11,281