Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

	As of December 31,
	2019 (1)
	(in millions)
Lease Cost included in the Consolidated Balance Sheets
Property, Plant and Equipment acquisitions (2)	$	13.8
	Year Ended December 31,
	2019 (1)
	(in millions)
Lease Cost included in the Consolidated Statement of Operations
Lease operating expense	$	11.9
Gathering and other expense	7.7
General and administrative	5.7
Total lease cost	$	25.3

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Prior periods are not presented as prior period amounts have not been adjusted under the modified retrospective method for the new lease recognition rule, ASC Topic 842. Refer to Note 1 – Basis of Presentation for additional information.

Lessee, Operating Leases [Text Block]

	December 31, 2019 (1)
Weighted-average remaining lease term (years)	5.4
Weighted-average discount rate	8.0	%

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⁽¹⁾ 

Prior periods are not presented as prior period amounts have not been adjusted under the modified retrospective method for the new lease recognition rule, ASC Topic 842. Refer to Note 1 – Basis of Presentation for additional information.