Shareholders' Equity And Noncontrolling Interests In Partnership (Details) - shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Shareholders' Equity And Noncontrolling Interests In Partnership [Abstract]
Total number of Common Units outstanding (in shares)	1,928,386	1,703,386	1,712,353
Common units converted to Class A Common Shares (in shares)	0	8,965	4,725
LTIP Unit Issuance (in shares)	294,245