Noncontrolling Interests (Summary Of Changes In Controlling And Noncontrolling Stockholders’ Equity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Noncontrolling Interest [Line Items]
Equity, beginning balance	$ 130,954	$ 124,987
Net loss	(672)	(109)
Increase in additional paid in capital	57	180
Distributions to noncontrolling stockholders	(1,811)
Contributions from noncontrolling stockholders		2,755
Accumulated other comprehensive income( loss)	1,175	4,061
Equity, ending balance	129,703	131,874
Controlling Stockholders' Equity [Member]
Noncontrolling Interest [Line Items]
Equity, beginning balance	126,856	123,752
Net loss	(668)	(239)
Increase in additional paid in capital	57	180
Accumulated other comprehensive income( loss)	1,175	4,056
Equity, ending balance	127,420	127,749
Noncontrolling Stockholders' Equity [Member]
Noncontrolling Interest [Line Items]
Equity, beginning balance	4,098	1,235
Net loss	(4)	130
Distributions to noncontrolling stockholders	(1,811)
Contributions from noncontrolling stockholders		2,755
Accumulated other comprehensive income( loss)		5
Equity, ending balance	$ 2,283	$ 4,125