Debt - Additional Information (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Letters of credit outstanding, amount	$ 5,400,000	$ 5,400,000
Line of credit facility, maximum borrowing capacity	$ 163,600,000
Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end	3.34%
Notes Payable to Banks [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.25%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility financial covenants combined interest charge coverage ratio	250.00%
Revolving Credit Facility [Member] \| Recently Completed Four Fiscal Quarters Thereafter [Member]
Debt Instrument [Line Items]
Line of credit facility financial covenants combined leverage ratio	4.75%
Revolving Credit Facility [Member] \| Upon Issuance Of Qualified Senior Notes
Debt Instrument [Line Items]
Line of credit facility financial covenants combined leverage ratio	5.25%
Line of credit facility financial covenants combined leverage ratio, threshold	5.50%
Revolving Credit Facility [Member] \| Upon Issuance Of Qualified Senior Notes \| Jet-Pep Assets Acquisition [Member]
Debt Instrument [Line Items]
Line of credit facility financial covenants combined leverage ratio, threshold	5.50%
Revolving Credit Facility [Member] \| Senior Secured Notes [Member]
Debt Instrument [Line Items]
Line of credit facility financial covenants combined leverage ratio	3.75%
Line of credit facility financial covenants combined leverage ratio, threshold	4.00%

Minimum combined interest coverage ratio permitted under the line of credit facility.

No definition available.

Name:	capl_LineOfCreditFacilityFinancialCovenantsCombinedInterestChargeCoverageRatio
Namespace Prefix:	capl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum combined leverage ratio permitted under the line of credit facility.

+ References

No definition available.

+ Details

Name:	capl_LineOfCreditFacilityFinancialCovenantsCombinedLeverageRatio
Namespace Prefix:	capl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line Of credit facility financial covenants combined leverage ratio by threshold

+ References

No definition available.

+ Details

Name:	capl_LineOfCreditFacilityFinancialCovenantsCombinedLeverageRatioThreshold
Namespace Prefix:	capl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_DebtInstrumentAxis=capl_RecentlyCompletedFourFiscalQuartersThereafterMember
Namespace Prefix:
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- Details

Name:	us-gaap_DebtInstrumentAxis=capl_UponIssuanceOfQualifiedSeniorNotesMember
Namespace Prefix:
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Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=capl_JetPepAssetsAcquisitionMember
Namespace Prefix:
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- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
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