Segment Reporting (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) segment	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting
Number of reportable segments | segment			2
Revenues	$ 41.1	$ 16.1	$ 103.8	$ 26.5
Operating income (loss)	(4.8)	0.3	(15.2)	(1.6)
Interest expense, net	(4.3)	(0.1)	(5.9)	(0.3)
Total assets	257.0		257.0		$ 135.7
Well Services
Segment Reporting
Revenues	39.0	14.2	97.9	22.0
Operating income (loss)	(5.2)	0.1	(16.0)	(1.0)
Interest expense, net	(4.3)	(0.1)	(5.8)	(0.2)
Total assets	229.3		229.3		107.9
Processing Solutions
Segment Reporting
Revenues	2.1	1.9	5.9	4.5
Operating income (loss)	0.4	$ 0.2	0.8	(0.6)
Interest expense, net			(0.1)	$ (0.1)
Total assets	$ 27.7		$ 27.7		$ 27.8