Other Matters (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Jun. 03, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Segment information
Storage sublease agreement, term				5 years
Storage sublease agreement, number of payments				5
Storage sublease agreement, period of benefit				4 years
Gain on termination of contract		$ 16,200		$ 16,205	$ 0
Purchases of pipeline capacity rights				42,200
Payment to terminate contract				16,875	0
Payments for the early extinguishment of liabilities				25,884	0
Loss on disposal or impairment of assets, net		$ (34)	$ (1,328)	203,433	$ (3,040)
Water solutions
Segment information
Gain on termination of contract				21,300
Payment to terminate contract	$ 49,600
Amortizable life	2 years
Increase in property, plant and equipment	$ 1,200
Intangible asset additions	3,300
Noncontrolling interest, increase from business combination	2,800
Payments for the early extinguishment of liabilities	25,500			46,800
Release of liabilities, contract termination	$ 16,900
Loss on disposal or impairment of assets, net				$ 22,700