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Fair Value Of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2011
Fair Value Disclosures [Abstract]  
Summary Of Carrying Amount And Fair Value Of Financial Instruments
A summary of the carrying amount and fair value of our mortgages payable, notes payable and senior notes and debentures is as follows:

 
December 31, 2011
 
December 31, 2010
Carrying
Value
 
Fair Value
 
Carrying
Value
 
Fair Value
(In thousands)
Mortgages and notes payable
$
1,042,682

 
$
1,099,273

 
$
627,382

 
$
685,552

Senior notes and debentures
$
1,004,635

 
$
1,085,309

 
$
1,079,827

 
$
1,168,679

Fair Value, Liabilities Measured on Recurring Basis
A summary of our financial liabilities that are measured at fair value on a recurring basis, by level within the fair value hierarchy is as follows:
 
December 31, 2011
 
Level 1
 
Level 2
 
Level 3
 
Total
 
(In thousands)
Interest rate swaps
$

 
$
3,940

 
$

 
$
3,940