Noncontrolling Interests (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Noncontrolling Interest [Line Items]
Equity transaction costs		$ 4,838	$ 0	$ 0
TMRC II [Member]
Noncontrolling Interest [Line Items]
Proceeds from formation of new mineral relationship	$ 214,800
Funding of future mineral acquisitions	309,000	309,000
Other Noncontrolling Interests	266,800	266,800
SFPG, LLC [Member]
Noncontrolling Interest [Line Items]
Other Noncontrolling Interests	$ 9,900	$ 9,900
Continental Resources ownership in TMRCII [Member] | TMRC II [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	50.10%	50.10%
Franco-Nevada Corporation ownership in TMRCII [Member] | TMRC II [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	49.90%	49.90%
Continental Resources ownership in SFPG, LLC [Member] | SFPG, LLC [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	57.40%	57.40%