Consolidating Financial Information of Guarantors and Issuers (Balance Sheet) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018	Jun. 24, 2018	Mar. 25, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 324,742			$ 105,349	$ 60,119
Receivables	89,546			51,518	85,379
Inventories	46,860			30,753	47,000
Other current assets	38,434			12,589	40,644
Total current assets	499,582			200,209	233,142
Property and equipment (net)	1,799,466			1,599,438	1,618,998
Investment in Park	0			0	0
Goodwill	181,199			178,719	180,186		$ 183,830
Other Intangibles, net	36,696			36,376	36,991
Deferred Tax Asset	0			0
Right-of-Use Asset	4,354			0	0
Other Assets	11,509			9,441	9,899
Total Assets	2,532,806			2,024,183	2,079,216
Current Liabilities:
Current maturities of long-term debt	7,500			5,625	1,875
Accounts payable	49,284			23,314	49,551
Deferred revenue	217,242		$ 107,100	107,074	211,173
Accrued interest	8,176			7,927	9,265
Accrued taxes	16,276			29,591	12,740
Accrued salaries, wages and benefits	21,706			18,786	26,228
Self-insurance reserves	21,427			24,021	25,272
Other accrued liabilities	18,137			18,381	24,395
Total current liabilities	359,748			234,719	360,499
Deferred Tax Liability	88,854			81,717	93,474
Derivative Liability	23,862			6,705	0
Lease Liability	2,365			0	0
Other Liabilities	10,302			11,058	10,982
Long-Term Debt:
Revolving credit loans	0			0	25,000
Term debt	716,828			719,507	722,186
Notes	1,431,047			938,061	937,146
Total long-term debt	2,147,875			1,657,568	1,684,332
Equity	(100,200)	$ (109,598)		32,416	(70,071)	$ (50,963)	$ 82,946
Total Liabilities and Partners' Equity	2,532,806			2,024,183	2,079,216
2024 U.S. fixed rate notes at 5.375%[Member] | Reportable Legal Entities [Member] | Parent Company [Member]
Current Assets:
Cash and cash equivalents	0			0	0
Receivables	0			0	0
Inventories	0			0	0
Other current assets	400			179	398
Total current assets	400			179	398
Property and equipment (net)	0			0	0
Investment in Park	524,449			601,706	476,659
Goodwill	674			674	674
Other Intangibles, net	0			0	0
Deferred Tax Asset	0			0
Right-of-Use Asset	0
Other Assets	0			0	74
Total Assets	525,523			602,559	477,805
Current Liabilities:
Current maturities of long-term debt	0			0	0
Accounts payable	616,886			565,472	542,730
Deferred revenue	0			0	0
Accrued interest	6			1	137
Accrued taxes	2,176			443	1,453
Accrued salaries, wages and benefits	0			0	0
Self-insurance reserves	0			0	0
Other accrued liabilities	2,629			3,318	3,556
Total current liabilities	621,697			569,234	547,876
Deferred Tax Liability	0			0	0
Derivative Liability	4,026			909
Lease Liability	0
Other Liabilities	0			0	0
Long-Term Debt:
Revolving credit loans					0
Term debt	0			0	0
Notes	0			0	0
Total long-term debt	0			0	0
Equity	(100,200)			32,416	(70,071)
Total Liabilities and Partners' Equity	525,523			602,559	477,805
2024 U.S. fixed rate notes at 5.375%[Member] | Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Current Assets:
Cash and cash equivalents	292,717			32,715	21,874
Receivables	1,018,249			938,397	869,175
Inventories	43,056			28,618	43,179
Other current assets	34,453			10,544	36,476
Total current assets	1,388,475			1,010,274	970,704
Property and equipment (net)	1,612,103			1,426,292	1,443,217
Investment in Park	203,690			218,575	186,540
Goodwill	119,606			119,605	119,605
Other Intangibles, net	23,114			23,346	23,629
Deferred Tax Asset	0			0
Right-of-Use Asset	4,262
Other Assets	11,471			9,405	9,320
Total Assets	3,362,721			2,807,497	2,753,015
Current Liabilities:
Current maturities of long-term debt	6,187			4,641	1,547
Accounts payable	40,272			18,620	39,950
Deferred revenue	192,185			98,614	190,223
Accrued interest	6,211			5,871	7,465
Accrued taxes	34,576			27,487	9,571
Accrued salaries, wages and benefits	0			0	0
Self-insurance reserves	10,427			12,374	13,435
Other accrued liabilities	8,899			10,024	13,155
Total current liabilities	298,757			177,631	275,346
Deferred Tax Liability	87,516			87,516	81,945
Derivative Liability	0			0
Lease Liability	2,292
Other Liabilities	9,645			9,889	10,143
Long-Term Debt:
Revolving credit loans					25,000
Term debt	590,853			592,982	595,111
Notes	984,604			491,820	491,356
Total long-term debt	1,575,457			1,084,802	1,111,467
Equity	1,389,054			1,447,659	1,274,114
Total Liabilities and Partners' Equity	3,362,721			2,807,497	2,753,015
2024 U.S. fixed rate notes at 5.375%[Member] | Eliminations [Member]
Current Assets:
Cash and cash equivalents	(2,495)			(692)	(689)
Receivables	(967,038)			(922,469)	(851,114)
Inventories	0			0	0
Other current assets	(20,476)			(5,007)	(1,952)
Total current assets	(990,009)			(928,168)	(853,755)
Property and equipment (net)	0			0	0
Investment in Park	(2,157,591)			(2,265,088)	(1,916,125)
Goodwill	0			0	0
Other Intangibles, net	0			0	0
Deferred Tax Asset	(12,733)			(18,224)
Right-of-Use Asset	0
Other Assets	0			0	0
Total Assets	(3,160,333)			(3,211,480)	(2,769,880)
Current Liabilities:
Current maturities of long-term debt	0			0	0
Accounts payable	(969,533)			(923,161)	(851,803)
Deferred revenue	0			0	0
Accrued interest	0			0	0
Accrued taxes	(20,476)			(5,007)	(1,952)
Accrued salaries, wages and benefits	0			0	0
Self-insurance reserves	0				0
Other accrued liabilities	0			0	0
Total current liabilities	(990,009)			(928,168)	(853,755)
Deferred Tax Liability	(12,733)			(18,224)	0
Derivative Liability	0			0
Lease Liability	0
Other Liabilities	0			0	0
Long-Term Debt:
Revolving credit loans					0
Term debt	0			0	0
Notes	0			0	0
Total long-term debt	0			0	0
Equity	(2,157,591)			(2,265,088)	(1,916,125)
Total Liabilities and Partners' Equity	(3,160,333)			(3,211,480)	(2,769,880)
2024 U.S. fixed rate notes at 5.375%[Member] | Co-Issuer Subsidiary (Magnum) [Member] | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Current Assets:
Cash and cash equivalents	0			0	0
Receivables	1,214			1,093	1,198
Inventories	0			0	0
Other current assets	14,347			1,411	3,293
Total current assets	15,561			2,504	4,491
Property and equipment (net)	785			802	819
Investment in Park	1,160,193			1,182,345	1,009,725
Goodwill	0			0	0
Other Intangibles, net	0			0	0
Deferred Tax Asset	12,733			18,224
Right-of-Use Asset	0
Other Assets	0			0	467
Total Assets	1,189,272			1,203,875	1,015,502
Current Liabilities:
Current maturities of long-term debt	1,313			984	328
Accounts payable	356,792			359,953	313,605
Deferred revenue	0			0	0
Accrued interest	4			1	92
Accrued taxes	0			6,668	0
Accrued salaries, wages and benefits	19,642			17,552	23,837
Self-insurance reserves	9,541			10,214	10,355
Other accrued liabilities	5,959			4,903	7,014
Total current liabilities	393,251			400,275	355,231
Deferred Tax Liability	0			0	22
Derivative Liability	19,836			5,796
Lease Liability	0
Other Liabilities	657			1,169	839
Long-Term Debt:
Revolving credit loans					0
Term debt	125,975			126,525	127,075
Notes	0			0	0
Total long-term debt	125,975			126,525	127,075
Equity	649,553			670,110	532,335
Total Liabilities and Partners' Equity	1,189,272			1,203,875	1,015,502
2024 U.S. fixed rate notes at 5.375%[Member] | Co-Issuer Subsidiary (Cedar Canada) [Member] | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Current Assets:
Cash and cash equivalents	34,520			73,326	38,934
Receivables	37,121			34,497	66,120
Inventories	3,804			2,135	3,821
Other current assets	9,710			5,462	2,429
Total current assets	85,155			115,420	111,304
Property and equipment (net)	186,578			172,344	174,962
Investment in Park	269,259			262,462	243,201
Goodwill	60,919			58,440	59,907
Other Intangibles, net	13,582			13,030	13,362
Deferred Tax Asset	0			0
Right-of-Use Asset	92
Other Assets	38			36	38
Total Assets	615,623			621,732	602,774
Current Liabilities:
Current maturities of long-term debt	0			0	0
Accounts payable	4,867			2,430	5,069
Deferred revenue	25,057			8,460	20,950
Accrued interest	1,955			2,054	1,571
Accrued taxes	0			0	3,668
Accrued salaries, wages and benefits	2,064			1,234	2,391
Self-insurance reserves	1,459			1,433	1,482
Other accrued liabilities	650			136	670
Total current liabilities	36,052			15,747	35,801
Deferred Tax Liability	14,071			12,425	11,507
Derivative Liability	0			0
Lease Liability	73
Other Liabilities	0			0	0
Long-Term Debt:
Revolving credit loans					0
Term debt	0			0	0
Notes	446,443			446,241	445,790
Total long-term debt	446,443			446,241	445,790
Equity	118,984			147,319	109,676
Total Liabilities and Partners' Equity	615,623			621,732	602,774
2027 and 2029 Senior Notes [Member] | Reportable Legal Entities [Member] | Parent Company [Member]
Current Assets:
Cash and cash equivalents	0			0	0
Receivables	0			0	0
Inventories	0			0	0
Other current assets	400			179	398
Total current assets	400			179	398
Property and equipment (net)	0			0	0
Investment in Park	524,449			601,706	476,659
Goodwill	674			674	674
Other Intangibles, net	0			0	0
Deferred Tax Asset	0			0
Right-of-Use Asset	0
Other Assets	0			0	74
Total Assets	525,523			602,559	477,805
Current Liabilities:
Current maturities of long-term debt	0			0	0
Accounts payable	616,886			565,472	542,730
Deferred revenue	0			0	0
Accrued interest	6			1	137
Accrued taxes	2,176			443	1,453
Accrued salaries, wages and benefits	0			0	0
Self-insurance reserves	0			0	0
Other accrued liabilities	2,629			3,318	3,556
Total current liabilities	621,697			569,234	547,876
Deferred Tax Liability	0			0	0
Derivative Liability	4,026			909
Lease Liability	0
Other Liabilities	0			0	0
Long-Term Debt:
Revolving credit loans					0
Term debt	0			0	0
Notes	0			0	0
Total long-term debt	0			0	0
Equity	(100,200)			32,416	(70,071)
Total Liabilities and Partners' Equity	525,523			602,559	477,805
2027 and 2029 Senior Notes [Member] | Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Current Assets:
Cash and cash equivalents	4,782			2,052	2,860
Receivables	957,762			902,155	813,742
Inventories	7,429			5,216	7,836
Other current assets	5,079			1,564	5,877
Total current assets	975,052			910,987	830,315
Property and equipment (net)	1,612,103			1,426,292	1,443,217
Investment in Park	203,690			218,574	186,539
Goodwill	111,218			111,217	111,217
Other Intangibles, net	23,114			23,346	23,629
Deferred Tax Asset	0			0
Right-of-Use Asset	491
Other Assets	8,988			8,988	9,069
Total Assets	2,934,656			2,699,404	2,603,986
Current Liabilities:
Current maturities of long-term debt	0			0	0
Accounts payable	7,804			3,625	6,557
Deferred revenue	44,429			24,552	48,951
Accrued interest	0			0	0
Accrued taxes	25,703			19,400	2,056
Accrued salaries, wages and benefits	0			0	0
Self-insurance reserves	1,724			2,066	2,087
Other accrued liabilities	2,028			4,553	4,164
Total current liabilities	81,688			54,196	63,815
Deferred Tax Liability	87,516			87,516	81,945
Derivative Liability	0			0
Lease Liability	300
Other Liabilities	9,558			9,802	10,056
Long-Term Debt:
Revolving credit loans					0
Term debt	0			0	0
Notes	0			0	0
Total long-term debt	0			0	0
Equity	2,755,594			2,547,890	2,448,170
Total Liabilities and Partners' Equity	2,934,656			2,699,404	2,603,986
2027 and 2029 Senior Notes [Member] | Eliminations [Member]
Current Assets:
Cash and cash equivalents	(2,495)			(692)	(689)
Receivables	(967,038)			(922,469)	(851,114)
Inventories	0			0	0
Other current assets	(20,476)			(5,007)	(1,952)
Total current assets	(990,009)			(928,168)	(853,755)
Property and equipment (net)	0			0	0
Investment in Park	(3,904,955)			(3,782,984)	(3,381,080)
Goodwill	0			0	0
Other Intangibles, net	0			0	0
Deferred Tax Asset	(12,733)			(18,224)
Right-of-Use Asset	0
Other Assets	0			0	0
Total Assets	(4,907,697)			(4,729,376)	(4,234,835)
Current Liabilities:
Current maturities of long-term debt	0			0	0
Accounts payable	(969,533)			(923,161)	(851,803)
Deferred revenue	0			0	0
Accrued interest	0			0	0
Accrued taxes	(20,476)			(5,007)	(1,952)
Accrued salaries, wages and benefits	0			0	0
Self-insurance reserves	0			0	0
Other accrued liabilities	0			0	0
Total current liabilities	(990,009)			(928,168)	(853,755)
Deferred Tax Liability	(12,733)			(18,224)	0
Derivative Liability	0			0
Lease Liability	0
Other Liabilities	0			0	0
Long-Term Debt:
Revolving credit loans					0
Term debt	0			0	0
Notes	0			0	0
Total long-term debt	0			0	0
Equity	(3,904,955)			(3,782,984)	(3,381,080)
Total Liabilities and Partners' Equity	(4,907,697)			(4,729,376)	(4,234,835)
2027 and 2029 Senior Notes [Member] | Co-Issuer Subsidiary (Magnum) [Member] | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Current Assets:
Cash and cash equivalents	0			0	0
Receivables	1,214			1,093	1,198
Inventories	0			0	0
Other current assets	14,347			1,411	3,293
Total current assets	15,561			2,504	4,491
Property and equipment (net)	785			802	819
Investment in Park	1,160,193			1,182,345	1,009,725
Goodwill	0			0	0
Other Intangibles, net	0			0	0
Deferred Tax Asset	12,733			18,224
Right-of-Use Asset	0
Other Assets	0			0	467
Total Assets	1,189,272			1,203,875	1,015,502
Current Liabilities:
Current maturities of long-term debt	1,313			984	328
Accounts payable	356,792			359,953	313,605
Deferred revenue	0			0	0
Accrued interest	4			1	92
Accrued taxes	0			6,668	0
Accrued salaries, wages and benefits	19,642			17,552	23,837
Self-insurance reserves	9,541			10,214	10,355
Other accrued liabilities	5,959			4,903	7,014
Total current liabilities	393,251			400,275	355,231
Deferred Tax Liability	0			0	22
Derivative Liability	19,836			5,796
Lease Liability	0
Other Liabilities	657			1,169	839
Long-Term Debt:
Revolving credit loans					0
Term debt	125,975			126,525	127,075
Notes	0			0	0
Total long-term debt	125,975			126,525	127,075
Equity	649,553			670,110	532,335
Total Liabilities and Partners' Equity	1,189,272			1,203,875	1,015,502
2027 and 2029 Senior Notes [Member] | Co-Issuer Subsidiary (Cedar Canada) [Member] | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Current Assets:
Cash and cash equivalents	34,520			73,326	38,934
Receivables	37,121			34,497	66,120
Inventories	3,804			2,135	3,821
Other current assets	9,710			5,462	2,429
Total current assets	85,155			115,420	111,304
Property and equipment (net)	186,578			172,344	174,962
Investment in Park	269,259			262,462	243,201
Goodwill	60,919			58,440	59,907
Other Intangibles, net	13,582			13,030	13,362
Deferred Tax Asset	0			0
Right-of-Use Asset	92
Other Assets	38			36	38
Total Assets	615,623			621,732	602,774
Current Liabilities:
Current maturities of long-term debt	0			0	0
Accounts payable	4,867			2,430	5,069
Deferred revenue	25,057			8,460	20,950
Accrued interest	1,955			2,054	1,571
Accrued taxes	0			0	3,668
Accrued salaries, wages and benefits	2,064			1,234	2,391
Self-insurance reserves	1,459			1,433	1,482
Other accrued liabilities	650			136	670
Total current liabilities	36,052			15,747	35,801
Deferred Tax Liability	14,071			12,425	11,507
Derivative Liability	0			0
Lease Liability	73
Other Liabilities	0			0	0
Long-Term Debt:
Revolving credit loans					0
Term debt	0			0	0
Notes	446,443			446,241	445,790
Total long-term debt	446,443			446,241	445,790
Equity	118,984			147,319	109,676
Total Liabilities and Partners' Equity	615,623			621,732	602,774
2027 and 2029 Senior Notes [Member] | Co-Issuer Subsidiary (Millennium) [Member] | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Current Assets:
Cash and cash equivalents	287,935			30,663	19,014
Receivables	60,487			36,242	55,433
Inventories	35,627			23,402	35,343
Other current assets	29,374			8,980	30,599
Total current assets	413,423			99,287	140,389
Property and equipment (net)	0			0	0
Investment in Park	1,747,364			1,517,897	1,464,956
Goodwill	8,388			8,388	8,388
Other Intangibles, net	0			0	0
Deferred Tax Asset	0			0
Right-of-Use Asset	3,771
Other Assets	2,483			417	251
Total Assets	2,175,429			1,625,989	1,613,984
Current Liabilities:
Current maturities of long-term debt	6,187			4,641	1,547
Accounts payable	32,468			14,995	33,393
Deferred revenue	147,756			74,062	141,272
Accrued interest	6,211			5,871	7,465
Accrued taxes	8,873			8,087	7,515
Accrued salaries, wages and benefits	0			0	0
Self-insurance reserves	8,703			10,308	11,348
Other accrued liabilities	6,871			5,471	8,991
Total current liabilities	217,069			123,435	211,531
Deferred Tax Liability	0			0	0
Derivative Liability	0			0
Lease Liability	1,992
Other Liabilities	87			87	87
Long-Term Debt:
Revolving credit loans					25,000
Term debt	590,853			592,982	595,111
Notes	984,604			491,820	491,356
Total long-term debt	1,575,457			1,084,802	1,111,467
Equity	380,824			417,665	290,899
Total Liabilities and Partners' Equity	$ 2,175,429			$ 1,625,989	$ 1,613,984