Related Party Transactions (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Related Party Transaction [Line Items]
Revenue	$ 3,756,000	$ 3,780,000	$ 15,611,000	$ 11,270,000
Affiliated Entity
Related Party Transaction [Line Items]
Term of contract	10 years		10 years
Ownership interest (as a percent)	50.00%		50.00%
Tax, utility, insurance and other reimbursement	$ 114,000	173,000	$ 368,000	608,000
Rent expense	257,000	254,000	770,000	761,000
Capital assets acquired	0	53,000	0	477,000
Total	371,000	480,000	1,138,000	1,846,000
Development Fees | Affiliated Entity
Related Party Transaction [Line Items]
Revenue	0	100,000	900,000	400,000
Management Fees | Affiliated Entity
Related Party Transaction [Line Items]
Revenue	$ 200,000	$ 100,000	$ 600,000	$ 300,000