Segment Reporting (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting [Abstract]
Rental income from real estate assets sold or held for sale	$ 1,449	$ 6,094	$ 6,159	$ 28,116
Operating expenses from real estate assets sold or held for sale	(729)	(2,690)	(2,587)	(11,955)
Net operating income from real estate assets sold or held for sale	$ 720	$ 3,404	$ 3,572	$ 16,161