Quarterly report pursuant to Section 13 or 15(d)

Operating Segments Operating Segments - Additional Information (Details)

v3.20.2
Operating Segments Operating Segments - Additional Information (Details)
6 Months Ended
Jun. 30, 2020
segment
Segment Reporting Information [Line Items]  
Number of operating segments 2
Construction  
Segment Reporting Information [Line Items]  
Number of reportable segments 1
Service  
Segment Reporting Information [Line Items]  
Number of reportable segments 1