Document and Entity Information Document	3 Months Ended
	Mar. 31, 2015	May 06, 2015
Document Information [Line Items]
Entity Registrant Name	CrossAmerica Partners LP
Entity Central Index Key	0001538849
Document Type	10-Q
Document Period End Date	Mar. 31, 2015
Amendment Flag	false
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Trading Symbol	CAPL
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Limited Partner
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		17,026,321
Subordinated Units
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		7,525,000