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Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2013
Fair Value Disclosures [Abstract]  
Fair value of certain financial assets and liabilities and other financial instruments
The fair value of certain financial assets and liabilities and other financial instruments as of December 31, 2013 and 2012, in thousands, are as follows:
 
December 31, 2013
 
December 31, 2012
 
Carrying
Amount
 
Fair Value
 
Carrying
Amount
 
Fair Value
Note receivable
$
50,084

 
$
64,500

 
$
53,792

 
$
57,000

Debt
$
1,091,861

 
$
1,087,516

 
$
988,731

 
$
1,035,450