Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.10.0.1
Summary of Significant Accounting Policies - Additional Information (Details)
9 Months Ended
Sep. 30, 2018
BusinessActivity
Segment
Accounting Policies [Abstract]  
Number of operating segments | Segment 1
Number of business activities | BusinessActivity 1
Customer agreement, initial term 20 years
Customer agreement, discount rate 10.00%