Investments in Joint Ventures (Aggregate Balance Sheet And Statement Of Income Data For Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2017		Sep. 30, 2016	Sep. 30, 2017		Sep. 30, 2016	Dec. 31, 2016
Investments in Joint Ventures [Abstract]
Total assets		$ 719,400			$ 719,400			$ 726,900
Total third-party debt		515,600			515,600			518,700
Total equity		178,000			178,000			$ 184,000
Total revenues		30,800		$ 30,500	91,200		$ 89,900
Net income (1)		2,000	[1]	3,900	9,400	[1]	10,200
Equity in income (2)(3)	[2]	$ 1,255	[3]	$ 1,866	$ 4,857	[3]	$ 5,052

[1] Net income for the three and nine months ended September 30, 2017 includes approximately $1.3 million of property expense relating to Hurricanes Harvey and Irma in August and September 2017.

[2] Equity in income excludes our ownership interest of fee income from various services provided by us to the Funds.

[3] Equity in income for the three and nine months ended September 30, 2017 includes our ownership interest of the hurricane related expenses of approximately $0.4 million.