Business and Basis of Presentation - Narrative (Details) shares in Thousands		12 Months Ended
	May 06, 2015 shares	Dec. 31, 2018 shares	Dec. 31, 2017 shares	Dec. 31, 2019 state
Limited Partners Capital Account [Line Items]
Cost basis, ownership percentage				20.00%
Common Units
Limited Partners Capital Account [Line Items]
Issuance of common units for initial public offering, net of offering costs (in shares) | shares	22,500	2,244	2,002
U.S.
Limited Partners Capital Account [Line Items]
Number of states major onshore oil and natural gas basins located | state				41