Organization and Nature of Operations - Summary of Partnership Assets (Details)		12 Months Ended
	Jun. 26, 2017	Dec. 31, 2018
Colorado River DevCo LP
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
NBLX Ownership	100.00%	100.00%
San Juan River DevCo LP
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
NBLX Ownership		25.00%
Noncontrolling interest		75.00%
Green River DevCo LP
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
NBLX Ownership		25.00%
Noncontrolling interest		75.00%
Laramie River DevCo | Greeley Crescent IDP (DJ Basin)
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
NBLX Ownership		100.00%
Laramie River DevCo | Black Diamond Dedication Area (DJ Basin)
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
NBLX Ownership		54.40%
Noncontrolling interest		45.60%
Blanco River DevCo LP
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
NBLX Ownership	40.00%	40.00%
Noncontrolling interest		60.00%
Gunnison River DevCo LP
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
NBLX Ownership		5.00%
Noncontrolling interest		95.00%
Trinity River DevCo LLC
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
NBLX Ownership		100.00%