Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 136.9		$ 136.9		$ 111.1
Less: accumulated depreciation	(16.0)		(16.0)		(8.7)
Property, plant and equipment, net	120.9		120.9		102.4
Depreciation expense	3.8	$ 0.8	7.3	$ 1.7
Machinery and equipment
Property, Plant and Equipment, Net
Property, plant and equipment, gross	2.9		2.9		3.0
Vehicles
Property, Plant and Equipment, Net
Property, plant and equipment, gross	0.8		$ 0.8		0.2
Mechanical refrigeration units
Property, Plant and Equipment, Net
Estimated useful life			30 years
Property, plant and equipment, gross	16.0		$ 16.0		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	106.1		106.1		73.8
Other property, plant and equipment
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 6.8		$ 6.8		$ 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