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Net Change In Operating Accounts
 3 Months Ended
Mar. 31, 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:
 
Three Months Ended
  
March 31,
(in thousands)
2015
 
2014
Change in assets:
 
 
 
Other assets, net
$
5,498

 
$
2,313

Change in liabilities:
 
 
 
Accounts payable and accrued expenses
(14,289
)
 
5,965

Accrued real estate taxes
(15,857
)
 
(13,714
)
Other liabilities
(1,049
)
 
(2,953
)
Other
292

 
243

Change in operating accounts and other
$
(25,405
)
 
$
(8,146
)