Fair Value Measurements - Additional Information (Detail)	3 Months Ended
Mar. 31, 2020
Fair Value Measurements [Line Items]
Discount factor utilized as standardized measure for future net cash flows	10.00%
Forward Commodity Prices [Member]
Fair Value Measurements [Line Items]
Forward commodity price escalation assumption used in impairment assessment	3.00%

Discounted future net cash flows relating to proved oil and gas reserves 10 percent annual discount for estimated timing of cash flows discount factor

No definition available.

Name:	clr_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlowsDiscountFactor
Namespace Prefix:	clr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration