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Segment Reporting - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Segment Reporting [Abstract]        
Asset optimization revenue $ 3.9 $ 12.7 $ 10.3 $ 36.1
Asset optimization cost of revenues $ 4.0 $ 12.8 $ 10.1 $ 33.6