Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Legal Proceedings (Details)

v3.19.1
Commitments and Contingencies - Legal Proceedings (Details) - Maximum - USD ($)
$ in Millions
1 Months Ended
Feb. 28, 2019
Mar. 31, 2019
Maurepas Project Dispute    
Loss Contingencies [Line Items]    
Reasonably possible amount of loss   $ 22.0
Lorenzo Benton v Telecom Network Specialists Inc    
Loss Contingencies [Line Items]    
Reasonably possible amount of loss   $ 11.0
Damages awarded $ 7.5