Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Other Commitments (Details)

v3.19.3
Commitments and Contingencies - Other Commitments (Details) - Supply Commitment [Member]
$ in Thousands
Sep. 30, 2019
USD ($)
Other Commitments [Line Items]  
Future Minimum Payment $ 2,967
September 2019 [Member]  
Other Commitments [Line Items]  
Future Minimum Payment 1,645
April 2016 [Member]  
Other Commitments [Line Items]  
Future Minimum Payment 1,242
December 2017 [Member]  
Other Commitments [Line Items]  
Future Minimum Payment $ 80