Earnings Per Share (Schedule Of Anti-Dilutive Securities Of Common Shares) (Details) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total anti-dilutive securities	1,210		3,484		1,916		3,484
Share Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total anti-dilutive securities	1,210	[1]	1,929	[1]	1,916	[1]	1,929	[1]
Operating Partnership Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total anti-dilutive securities	0		1,555		0		1,555

[1] Exclusion results as exercise prices were greater than the average market price for each respective period.