Shareholders' Equity And Noncontrolling Interests In Partnership (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stockholders' Equity Note [Abstract]
Total number of Common Units outstanding (in shares)	6,914,716	7,112,506	7,270,316
Common units converted to Class A Common Shares (in shares)	27,790	157,810	195,000
Common Units redeemed	170,000