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Net Change in Operating Accounts (Tables)
 9 Months Ended
Sep. 30, 2017
Increase (Decrease) in Operating Capital [Abstract]  
Effect Of Changes In The Operating And Other Accounts On Cash Flows From Operating Activities
The effect of changes in the operating and other accounts on cash flows from operating activities is as follows:
  
Nine Months Ended
September 30,
(in thousands)
2017
 
2016
Change in assets:
 
 
 
Other assets, net
$
(10,135
)
 
$
(3,938
)
Change in liabilities:
 
 
 
Accounts payable and accrued expenses
(1,356
)
 
33

Accrued real estate taxes
20,986

 
22,564

Other liabilities
1,178

 
3,281

Other
2,134

 
2,226

Change in operating accounts and other
$
12,807

 
$
24,166