Consolidating Financial Information of Guarantors and Issuers Income Statement (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Net revenues	$ 1,134,572		$ 1,068,454	$ 1,028,472
Costs and expenses:
Cost of food, merchandise and games revenues	91,772		95,048	92,057
Operating expenses	472,344		451,403	430,851
Selling, general and administrative	152,412		138,311	140,426
Depreciation and amortization	122,487		126,306	125,837
Loss on impairment / retirement of fixed assets, net	2,539		30,336	11,355
Gain (Loss) on Sale of Other Assets	(8,743)		(6,625)	0
Total costs and expenses	832,811		834,779	800,526
Operating income	301,761		233,675	227,946
Interest expense (income), net	102,917		110,551	157,028
Net effect of swaps	6,883		(1,492)	(13,119)
Loss on early extinguishment of debt	34,573		0	0
Unrealized / realized foreign currency gain (loss)	28,941		(8,998)	9,909
Other (income) expense	0		0	955
(Income) loss from investment in affiliates	0		0	0
Income (loss) before taxes	128,447		133,614	73,173
Provision (benefit) for taxes	20,243		31,757	7,877
Net income (loss)	108,204		101,857	65,296
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	2,756		369	933
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	10,736		139	3,767
Other Comprehensive Income (Loss), Net of Tax	13,492	[1]	508	4,700
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	121,696		102,365	69,996
Cedar Fair L.P. (Parent) [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	152,469		145,715	141,149
Costs and expenses:
Cost of food, merchandise and games revenues	0		0	0
Operating expenses	6,003		5,380	5,491
Selling, general and administrative	5,717		6,495	10,073
Depreciation and amortization	36,807		37,660	37,283
Loss on impairment / retirement of fixed assets, net	424		25,997	990
Gain (Loss) on Sale of Other Assets	0		(862)
Total costs and expenses	48,951		74,670	53,837
Operating income	103,518		71,045	87,312
Interest expense (income), net	42,630		48,524	84,391
Net effect of swaps	4,190		(138)	(12,214)
Loss on early extinguishment of debt	21,175
Unrealized / realized foreign currency gain (loss)	0		0	0
Other (income) expense	750		749	1,705
(Income) loss from investment in affiliates	(83,557)		(90,022)	(60,251)
Income (loss) before taxes	118,330		111,932	73,681
Provision (benefit) for taxes	10,126		10,075	8,385
Net income (loss)	108,204		101,857	65,296
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	2,756		369	933
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	10,736		139	3,767
Other Comprehensive Income (Loss), Net of Tax	13,492		508	4,700
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	121,696		102,365	69,996
Co-Issuer Subsidiary (Magnum) [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	296,077		258,136	251,064
Costs and expenses:
Cost of food, merchandise and games revenues	0		0	0
Operating expenses	183,604		176,356	165,409
Selling, general and administrative	100,825		86,615	84,270
Depreciation and amortization	37		40	47
Loss on impairment / retirement of fixed assets, net	0		0	0
Gain (Loss) on Sale of Other Assets	0		0
Total costs and expenses	284,466		263,011	249,726
Operating income	11,611		(4,875)	1,338
Interest expense (income), net	28,875		29,328	15,030
Net effect of swaps	2,693		121	718
Loss on early extinguishment of debt	12,781
Unrealized / realized foreign currency gain (loss)	0		0	0
Other (income) expense	(11,257)		(9,507)	(7,798)
(Income) loss from investment in affiliates	(37,520)		(66,150)	(11,912)
Income (loss) before taxes	16,039		41,333	5,300
Provision (benefit) for taxes	(12,133)		(9,856)	(23,000)
Net income (loss)	28,172		51,189	28,300
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0		0	0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	2,848		114	(9,499)
Other Comprehensive Income (Loss), Net of Tax	2,848		114	(9,499)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	31,020		51,303	18,801
Co-Issuer Subsidiary (Cedar Canada) [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	127,692		140,418	126,972
Costs and expenses:
Cost of food, merchandise and games revenues	9,322		10,316	9,932
Operating expenses	47,770		47,863	45,765
Selling, general and administrative	10,984		11,135	11,314
Depreciation and amortization	17,333		18,199	17,325
Loss on impairment / retirement of fixed assets, net	479		6	(61)
Gain (Loss) on Sale of Other Assets	0		0
Total costs and expenses	85,888		87,519	84,275
Operating income	41,804		52,899	42,697
Interest expense (income), net	39,376		40,870	52,814
Net effect of swaps	0		(1,475)	(1,623)
Loss on early extinguishment of debt	617
Unrealized / realized foreign currency gain (loss)	28,941		(8,998)	9,909
Other (income) expense	3,679		2,020	2,349
(Income) loss from investment in affiliates	(17,438)		(14,597)	(6,945)
Income (loss) before taxes	(13,371)		35,079	(13,807)
Provision (benefit) for taxes	(10,856)		3,413	2,970
Net income (loss)	(2,515)		31,666	(16,777)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	2,756		369	933
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	0		21	291
Other Comprehensive Income (Loss), Net of Tax	2,756		390	1,224
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	241		32,056	(15,553)
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	1,006,469		927,668	901,120
Costs and expenses:
Cost of food, merchandise and games revenues	82,450		84,732	82,125
Operating expenses	683,102		625,287	606,019
Selling, general and administrative	34,886		34,066	34,769
Depreciation and amortization	68,310		70,407	71,182
Loss on impairment / retirement of fixed assets, net	1,636		4,333	10,426
Gain (Loss) on Sale of Other Assets	(8,743)		(5,763)
Total costs and expenses	861,641		813,062	804,521
Operating income	144,828		114,606	96,599
Interest expense (income), net	(7,964)		(8,171)	4,793
Net effect of swaps	0		0	0
Loss on early extinguishment of debt	0
Unrealized / realized foreign currency gain (loss)	0		0	0
Other (income) expense	6,828		6,738	4,699
(Income) loss from investment in affiliates	2,477		(31,759)	15,573
Income (loss) before taxes	143,487		147,798	71,534
Provision (benefit) for taxes	33,106		28,125	19,522
Net income (loss)	110,381		119,673	52,012
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0		0	0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	0		0	0
Other Comprehensive Income (Loss), Net of Tax	0		0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	110,381		119,673	52,012
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	(448,135)		(403,483)	(391,833)
Costs and expenses:
Cost of food, merchandise and games revenues	0		0	0
Operating expenses	(448,135)		(403,483)	(391,833)
Selling, general and administrative	0		0	0
Depreciation and amortization	0		0	0
Loss on impairment / retirement of fixed assets, net	0		0	0
Gain (Loss) on Sale of Other Assets	0		0
Total costs and expenses	(448,135)		(403,483)	(391,833)
Operating income	0		0	0
Interest expense (income), net	0		0	0
Net effect of swaps	0		0	0
Loss on early extinguishment of debt	0
Unrealized / realized foreign currency gain (loss)	0		0	0
Other (income) expense	0		0	0
(Income) loss from investment in affiliates	136,038		202,528	63,535
Income (loss) before taxes	(136,038)		(202,528)	(63,535)
Provision (benefit) for taxes	0		0	0
Net income (loss)	(136,038)		(202,528)	(63,535)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(2,756)		(369)	(933)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	(2,848)		(135)	9,208
Other Comprehensive Income (Loss), Net of Tax	(5,604)		(504)	8,275
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (141,642)		$ (203,032)	$ (55,260)

[1] All amounts are net of tax. Amounts in parentheses indicate debits.