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Net Change In Operating Accounts
 3 Months Ended
Mar. 31, 2014
Increase (Decrease) in Operating Capital [Abstract]  
Net Change In Operating Accounts
9. Net Change in Operating Accounts
The effect of changes in the operating accounts and other on cash flows from operating activities is as follows:
 
Three Months Ended
  
March 31,
(in thousands)
2014
 
2013
Change in assets:
 
 
 
Other assets, net
$
2,313

 
$
1,158

Change in liabilities:
 
 
 
Accounts payable and accrued expenses
5,965

 
2,035

Accrued real estate taxes
(13,714
)
 
(7,768
)
Other liabilities
(2,953
)
 
(791
)
Other
243

 
259

Change in operating accounts and other
$
(8,146
)
 
$
(5,107
)