Investments in Joint Ventures (Aggregate Balance Sheet And Statement Of Income Data For Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Investments in Joint Ventures [Abstract]
Total assets		$ 736,200		$ 748,000
Total third-party debt		528,200		527,000
Total equity		191,600		$ 195,300
Total revenues		29,500	$ 27,500
Net income		2,800	2,700
Equity in income (1)	[1]	$ 1,497	$ 1,382

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