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Net Change In Operating Accounts
 6 Months Ended
Jun. 30, 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:
  
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
)