Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 200.3		$ 200.3		$ 111.1
Less: accumulated depreciation	(19.6)		(19.6)		(8.7)
Property, plant and equipment, net	180.7		180.7		102.4
Depreciation expense	3.9	$ 1.4	11.3	$ 3.1
Machinery and equipment
Property, Plant and Equipment, Net
Property, plant and equipment, gross	2.3		2.3		3.0
Vehicles
Property, Plant and Equipment, Net
Property, plant and equipment, gross	1.6		$ 1.6		0.2
Mechanical refrigeration units
Property, Plant and Equipment, Net
Estimated useful life			30 years
Property, plant and equipment, gross	18.2		$ 18.2		16.0
NGL storage tanks
Property, Plant and Equipment, Net
Estimated useful life			15 years
Property, plant and equipment, gross	4.3		$ 4.3		4.3
Workover rigs
Property, Plant and Equipment, Net
Property, plant and equipment, gross	161.5		161.5		73.8
Other property, plant and equipment
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 12.4		$ 12.4		$ 13.8
Minimum | Machinery and equipment
Property, Plant and Equipment, Net
Estimated useful life			5 years
Minimum | Vehicles
Property, Plant and Equipment, Net
Estimated useful life			3 years
Minimum | Workover rigs
Property, Plant and Equipment, Net
Estimated useful life			5 years
Minimum | Other property, plant and equipment
Property, Plant and Equipment, Net
Estimated useful life			3 years
Maximum | Machinery and equipment
Property, Plant and Equipment, Net
Estimated useful life			30 years
Maximum | Vehicles
Property, Plant and Equipment, Net
Estimated useful life			5 years
Maximum | Workover rigs
Property, Plant and Equipment, Net
Estimated useful life			20 years
Maximum | Other property, plant and equipment
Property, Plant and Equipment, Net
Estimated useful life			30 years