Income Taxes - Additional Information (Detail) (USD $)	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Net operating loss carryforwards, State	$ 1,009,000,000
Alternative minimum tax credit carryforward	$ 0

Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax, Net.

No definition available.

Name:	clr_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTaxNet
Namespace Prefix:	clr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant