Document and Entity Information - shares	6 Months Ended
	Jun. 28, 2015	Jul. 28, 2015
DEI [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 28, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Entity Registrant Name	CEDAR FAIR L P
Entity Central Index Key	0000811532
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		0
Entity Unit, Units Outstanding		56,008,206