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Net Change In Operating Accounts
 3 Months Ended
Mar. 31, 2016
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)
2016
 
2015
Change in assets:
 
 
 
Other assets, net
$
6,073

 
$
5,494

Change in liabilities:
 
 
 
Accounts payable and accrued expenses
1,768

 
(14,191
)
Accrued real estate taxes
(19,722
)
 
(15,857
)
Other liabilities
(5,779
)
 
(1,238
)
Other
740

 
732

Change in operating accounts and other
$
(16,920
)
 
$
(25,060
)