CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL AND PREDECESSOR MEMBERS' EQUITY	USD ($) shares
Members' equity, beginning balance (Predecessor) at Dec. 31, 2016	$ 8,631,862
Members' equity, beginning balance (in units) (Predecessor) at Dec. 31, 2016 | shares	604,137
Increase (Decrease) in Partners' Capital
Unit-based compensation | Predecessor	$ 50,422
Net income (loss) | Predecessor	(496,856)
Transfer of membership units to Rivercrest Royalties Holdings, LLC | Predecessor	$ (98,988)
Transfer of membership units to Rivercrest Royalties Holdings, LLC (in units) | Predecessor | shares	(604,137)
Partners' capital, ending balance at Feb. 07, 2017	$ 8,086,440
Partners' capital, ending balance (in units) at Feb. 07, 2017 | shares	0
Members' equity, ending balance (Predecessor) at Feb. 07, 2017	$ 0
Members' equity, ending balance (in units) (Predecessor) at Feb. 07, 2017 | shares	0
Increase (Decrease) in Partners' Capital
Common units issued to Predecessor in exchange for oil and natural gas properties (in units) | shares	1,191,974
Common units issued to contributors in exchange for oil and natural gas properties	$ 169,033,212
Common units issued to contributors in exchange for oil and natural gas properties (in units) | shares	9,390,734
Common units sold to public	$ 103,500,000
Common units sold to public (in units) | shares	5,750,000
Underwriting discount and structuring fee incurred at initial public offering	$ (7,245,000)
Distributions to unitholders	(8,705,333)
Unit-based compensation	$ 569,889
Unit-based compensation (in units) | shares	177,091
Net income (loss)	$ 653,898
Partners' capital, ending balance at Sep. 30, 2017	$ 265,893,106
Partners' capital, ending balance (in units) at Sep. 30, 2017 | shares	16,509,799