Rice Merger - Additional Information (Details) $ / shares in Units, a in Thousands, $ in Thousands, shares in Millions		12 Months Ended
	Nov. 13, 2017 USD ($) a $ / shares shares	Dec. 31, 2018 USD ($) a	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Business Acquisition [Line Items]
Payments to acquire businesses, net		$ 0	$ (1,560,272)	$ 0
Payment for acquisition		34,113	828,657	1,061,735
Unamortized premium		$ 0	89,363	0
Number of acres acquired (in acres) | a		304
Merger related expenses		$ 26,331	152,188	$ 0
Rice Merger Agreement
Business Acquisition [Line Items]
Common share conversion ratio	0.37
Cash conversion (in dollars per share) | $ / shares	$ 5.30
Number of shares issued in business combination (in shares) | shares	91
Payments to acquire businesses, net	$ (1,600,000)
Payment for acquisition	1,299,407
Payment for debt extinguishment	$ 1,400,000
Number of acres acquired (in acres) | a	270
Amortization of debt issuance costs			8,000
Goodwill, expected tax deductible amount	$ 387,100
Rice Merger Agreement | Continuing Operations
Business Acquisition [Line Items]
Amortization of debt issuance costs			5,100
Merger related expenses		25,400	152,200
Rice Merger Agreement | Discontinued Operations
Business Acquisition [Line Items]
Amortization of debt issuance costs			2,900
Merger related expenses		$ 13,500	$ 85,100
Rice Merger Agreement | Marcellus Acres
Business Acquisition [Line Items]
Number of acres acquired (in acres) | a	205
Rice Merger Agreement | Utica Acres
Business Acquisition [Line Items]
Number of acres acquired (in acres) | a	65
Rice Merger Agreement | Rice Energy Operating LLC's Revolving Credit Facility
Business Acquisition [Line Items]
Extinguishment of debt, amount	$ 321,000
Interest expense	1,400
Rice Merger Agreement | Rice Midstream Holdings' Revolving Credit Facility
Business Acquisition [Line Items]
Extinguishment of debt, amount	187,500
Interest expense	$ 300
Rice Merger Agreement | Rice 2022 Notes
Business Acquisition [Line Items]
Interest rate	6.25%
Unamortized premium	$ 42,200
Rice Merger Agreement | Rice 2023 Notes
Business Acquisition [Line Items]
Interest expense	$ 13,400
Interest rate	7.25%
Unamortized premium	$ 21,600
Rice Merger Agreement | EIG Global Energy Partners
Business Acquisition [Line Items]
Payment for acquisition	$ 555,500
Rice Energy Inc.
Business Acquisition [Line Items]
Par value (in dollars per share) | $ / shares	$ 0.01