Subsequent Events (Narrative) (Details) $ in Thousands	1 Months Ended
	Aug. 04, 2020 USD ($) item	Jul. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)
Deferred rent receivable			$ 3,800
Rent receivable abated			$ 874
Subsequent Event [Member]
Deferred rent receivable		$ 1,000
Number of units in planned development | item	411
JV Partner [Member]
Economic interest in joint venture, percentage			5.00%
Investment in Joint Venture [Member]
Economic interest in joint venture, percentage			95.00%
Investment in Joint Venture [Member] | Subsequent Event [Member]
Economic interest in joint venture, percentage	98.20%
Investment in Joint Venture [Member] | JV Partner [Member] | Subsequent Event [Member]
Economic interest in joint venture, percentage	1.80%
Minimum [Member] | Subsequent Event [Member]
Period to complete construction	24 months
Development costs	$ 110,000
Maximum [Member] | Subsequent Event [Member]
Period to complete construction	36 months
Development costs	$ 120,000