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Net Change in Operating Accounts (Tables)
 6 Months Ended
Jun. 30, 2016
Increase (Decrease) in Operating Capital [Abstract]  
Effect Of Changes In The Operating And Other Accounts On Cash Flows From Operating Activities
The effect of changes in the operating and other accounts on cash flows from operating activities is as follows:
  
Six Months Ended
June 30,
(in thousands)
2016
 
2015
Change in assets:
 
 
 
Other assets, net
$
102

 
$
2,062

Change in liabilities:
 
 
 
Accounts payable and accrued expenses
(5,942
)
 
(18,714
)
Accrued real estate taxes
1,774

 
4,779

Other liabilities
17

 
(3,026
)
Other
1,483

 
1,455

Change in operating accounts and other
$
(2,566
)
 
$
(13,444
)