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Commitments and Contingencies - Legal Proceedings (Details) - Maximum - USD ($) $ in Millions | 1 Months Ended |
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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 |

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