Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accounting Policies [Abstract]
Gross real estate taxes offset to rental income	$ 900,000	$ 800,000	$ 2,500,000	$ 2,100,000
Adjustment for recoveries	1,047,000	0	1,047,000	0
Adjustment for collectibility of rental income	$ 0	$ 12,078,000	$ 0	$ 12,078,000