Long-Term Obligations Principal Payments (Tables)

9 Months Ended

Sep. 30, 2017

LOng-Term Obligations Disclosure [Abstract]

Schedule of Maturities of Long-term Debt [Table Text Block]

Principal payments    

As of September 30, 2017, aggregate future principal payments for long-term obligations (including any current portion of long-term debt) were as follows (in thousands):

Years Ending
2017	$	—
2018	—
2019	—
2020	75,000
Thereafter	—
Total	$	75,000