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Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2014
Debt Instrument, Fair Value Disclosure [Abstract]  
Fair Value, by Balance Sheet Grouping
The following table presents the supplemental fair value information about long-term debt at June 30, 2014 and December 31, 2013 (amounts in thousands):
 
June 30, 2014
 
December 31, 2013
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Total debt
$
494,059

 
$
501,699

 
$
502,513

 
$
538,074