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Net Change in Operating Accounts (Effect Of Changes In The Operating Accounts On Cash Flows From Operating Activities) (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Increase (Decrease) in Operating Capital [Abstract]    
Other assets, net $ (12,358) $ 3,167
Accounts payable and accrued expenses 26,691 (1,111)
Accrued real estate taxes 19,236 17,726
Other liabilities 1,867 (837)
Other 2,467 2,083
Change in operating accounts and other $ 37,903 $ 21,028