Background and Basis of Presentation (Details)	1 Months Ended	12 Months Ended
	Jan. 31, 2017 a	Dec. 31, 2018 mi
Organization and Nature of Operations
Length of pipeline to supply gas | mi		137
Galveston Bay Leases
Organization and Nature of Operations
Term of lease agreement	36 months
Area available for lease | a	994
Extension of term of contract	12 months