Investments In Unconsolidated Joint Ventures (Summary Of Financial Position Of Unconsolidated Joint Ventures) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Investments In Unconsolidated Joint Ventures [Abstract]    
Rental property, net $ 914,163 $ 755,049
Loan receivable 45,772 45,050
Other assets 437,516 582,990
Total assets 1,397,451 1,383,089
Mortgages and loans payable 678,432 637,709
Other liabilities 85,048 87,231
Partners'/members' capital 633,971 658,149
Total liabilities and partners'/members' capital $ 1,397,451 $ 1,383,089