Equity And Accumulated Other Comprehensive Income (Loss), Net (Ownership Interest In The Operating Partnership) (Details)	Mar. 31, 2014	Dec. 31, 2013
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Partners' capital account units	128,606,462	128,455,350
Percentage of total	97.60%	97.70%
Common Units Held By Third Parties [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Common units held by third parties	1,491,814	1,491,814
Percentage of total	1.10%	1.20%
Incentive Units Held By Employees And Directors [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Incentive units held by employees and directors	1,633,797	1,475,207
Percentage of total	1.30%	1.10%
Noncontrolling Interests In Operating Partnership [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Partners' capital account units	131,732,073	131,422,371
Percentage of total	100.00%	100.00%