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Long-Term Debt (Tables)
3 Months Ended
Mar. 31, 2020
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments [Table Text Block]

The following table summarizes our outstanding debt:
 
 
March 31, 2020
 
December 31, 2019
2024 Senior Notes
 
$
350

 
$
350

Credit Facility
 
350

 

Financing leases
 
1

 
1

Unamortized debt costs
 
(3
)
 
(3
)
Total
 
698

 
348

Less: current portion
 

 

Long-term portion
 
$
698

 
$
348