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Long-Term Debt Long-Term Debt (Tables)
 6 Months Ended
Jun. 30, 2013
Debt Disclosure [Abstract]  
Long-Term Debt
Long-term debt consists of the following (in thousands):
 
June 30,
2013
 
December 31,
2012
Unsecured notes
$
250,000

 
$
250,000

Term loan
146,250

 
—

Unamortized issuance costs of unsecured notes
(1,451
)
 
(1,681
)
 
$
394,799

 
$
248,319