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Net Change In Operating Accounts
 6 Months Ended
Jun. 30, 2015
Increase (Decrease) in Operating Capital [Abstract]  
Net Change in Operating Accounts
9. Net Change in Operating Accounts
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)
2015
 
2014
Change in assets:
 
 
 
Other assets, net
$
2,793

 
$
(2,994
)
Change in liabilities:
 
 
 
Accounts payable and accrued expenses
(18,902
)
 
(3,810
)
Accrued real estate taxes
4,779

 
4,616

Other liabilities
(2,989
)
 
(6,019
)
Other
580

 
489

Change in operating accounts and other
$
(13,739
)
 
$
(7,718
)