Oil and Natural Gas Properties Acquisitions - Noble Acquisitions (Details) $ in Thousands		12 Months Ended
	Nov. 28, 2017 USD ($) a shares	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Nov. 30, 2018 state
Business Acquisition [Line Items]
Proceeds from issuance of Series B cumulative convertible preferred units, net of offering costs		$ 0	$ 0	$ 293,469
Series B Cumulative Convertible Preferred Units
Business Acquisition [Line Items]
Proceeds from issuance of Series B cumulative convertible preferred units, net of offering costs	$ 300,000
Noble Acquisition
Business Acquisition [Line Items]
Royalty interests spread | state					20
Payments to acquire businesses, gross	335,000
Purchase price adjustment			$ 3,200
Noble Acquisition | Revolving Credit Facility | Senior Line of Credit
Business Acquisition [Line Items]
Maximum borrowing capacity	35,000
Noble Acquisition | Series B Cumulative Convertible Preferred Units
Business Acquisition [Line Items]
Proceeds from issuance of Series B cumulative convertible preferred units, net of offering costs	$ 300,000
Number of shares issued (in shares) | shares	14,711,219
Noble Acquisition | Mineral Acres
Business Acquisition [Line Items]
Overriding royalty interests, gross | a	1,100,000
Mineral interests and other non-cost bearing interests acquired, net | a	140,000
Noble Acquisition | Non-participating Royalty Interest
Business Acquisition [Line Items]
Overriding royalty interests, gross | a	380,000
Noble Acquisition | Overriding Royalty Interest
Business Acquisition [Line Items]
Overriding royalty interests, gross | a	600,000