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Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2018
Debt and Capital Lease Obligations [Abstract]  
Schedule of Long-term Debt Instruments
We have no capital lease obligations. Long-term debt is as follows (in thousands):
 
June 30,
2018
 
December 31,
2017
Senior notes
$
150,000

 
$
150,000

Credit facility
94,000

 
78,000

Total long-term debt
244,000

 
228,000

Less: Debt issuance costs
(2,313
)
 
(1,011
)
Long-term debt, net
$
241,687

 
$
226,989