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Long-Term Debt (Tables)
12 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]  
Long-Term Debt Long-term debt consists of the following (in thousands):
 
December 31,
 
December 31,
 
2017
 
2016
Credit facility
$

 
$

Convertible Notes

 
268,780

Building Note
37,502

 
36,528

Total debt
37,502

 
305,308

Less: current maturities of long-term debt

 

Long-term debt
$
37,502

 
$
305,308