Segment Reporting (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting [Abstract]
Rental income from real estate assets sold or held for sale	$ 2,303	$ 15,253
Operating expenses from real estate assets sold or held for sale	(813)	(5,335)
Net operating income from real estate assets sold or held for sale	$ 1,490	$ 9,918