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Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2011
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments
Fair Value of Financial Instruments

The fair value of certain financial assets and liabilities and other financial instruments as of December 31, 2011 and 2010, in thousands, are as follows:
 
December 31, 2011
 
December 31, 2010
 
Carrying
Amount
 
Fair Value
 
Carrying
Amount
 
Fair Value
Note receivable
$
54,788

 
$
55,000

 
$
57,951

 
$
40,500

Debt
$
1,042,933

 
$
1,060,830

 
$
780,880

 
$
794,900



We estimate the fair value of our mortgage debt by discounting the future cash flows of each instrument at estimated market rates. We estimate the fair value of our note receivable by discounting the future cash flows related to the note at estimated market rates. The underlying collateral of the note receivable has a fair value greater than the carrying value of the note receivable. The carrying value of our other financial instruments approximates fair value due to the short-term nature of these financial instruments.