Segment Reporting (Details) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2017 USD ($) segment	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting
Number of reportable segments | segment									2
Revenues	$ 50.1	$ 41.1	$ 33.7	$ 29.1	$ 26.3	$ 16.1	$ 5.6	$ 4.8	$ 154.0	$ 52.8	$ 21.2
Cost of services									(126.4)	(39.3)	(16.1)
Depreciation and amortization									(17.8)	(6.6)	(2.1)
Impairment of goodwill									0.0	0.0	(1.6)
Operating loss	(5.2)	(4.8)	(4.9)	(5.7)	(2.8)	0.3	(0.6)	(1.3)	(20.6)	(4.5)	(6.4)
Interest expense, net									(6.3)	(0.5)	(0.3)
Net loss	(5.6)	$ (9.5)	$ (6.0)	$ (6.2)	(3.0)	$ 0.2	$ (0.7)	$ (1.4)	(27.3)	(5.0)	(6.7)
Capital expenditures									56.0	12.2	26.8
Property, plant and equipment	189.2				102.4				189.2	102.4
Total assets	259.7				135.7				259.7	135.7
Other
Segment Reporting
Depreciation and amortization									(0.3)
Operating loss									(11.0)
Interest expense, net									(5.2)
Net loss									(16.2)
Property, plant and equipment	6.4								6.4
Total assets	6.4								6.4
Well Services
Segment Reporting
Revenues									145.7	46.3	9.7
Cost of services									(123.2)	(36.7)	(8.2)
Depreciation and amortization									(16.2)	(5.6)	(1.4)
Operating loss									(10.5)	(4.1)	(3.4)
Interest expense, net									(1.0)	(0.4)	(0.1)
Net loss									(11.9)	(4.5)	(3.6)
Capital expenditures									54.5	10.0	18.1
Property, plant and equipment	157.4				79.5				157.4	79.5
Total assets	225.1				107.9				225.1	107.9
Processing Solutions
Segment Reporting
Revenues									8.3	6.5	11.5
Cost of services									(3.2)	(2.6)	(7.9)
Depreciation and amortization									(1.3)	(1.0)	(0.7)
Impairment of goodwill											(1.6)
Operating loss									0.9	(0.4)	(3.0)
Interest expense, net									(0.1)	(0.1)	(0.2)
Net loss									0.8	(0.5)	(3.1)
Capital expenditures									1.5	2.2	$ 8.7
Property, plant and equipment	25.4				22.9				25.4	22.9
Total assets	$ 28.2				$ 27.8				$ 28.2	$ 27.8