Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting - Narrative (Details)

v3.19.3
Segment Reporting - Narrative (Details)
9 Months Ended
Sep. 30, 2019
Segments
Segment Reporting Information [Line Items]  
Number of operating segments 2
Accounts Receivable  
Segment Reporting Information [Line Items]  
Concentration risk, percentage 18.20%