Revenue From Contracts With Customers - Disaggregated Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue From Contracts With Customers
Total Revenue	$ 62.6	$ 29.1
Well Services
Revenue From Contracts With Customers
Total Revenue	59.7	27.3
Well Services | Workover rigs
Revenue From Contracts With Customers
Total Revenue	37.6	21.8
Well Services | Other well services
Revenue From Contracts With Customers
Total Revenue	22.1	5.5
Processing Solutions
Revenue From Contracts With Customers
Total Revenue	$ 2.9	$ 1.8