Consolidating Financial Information of Guarantors and Issuers Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	$ 350,740	$ 331,179	$ 358,347
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0	0
Proceeds from returns on investments		0
Purchase of identifiable intangible assets	(41)	(66)	(577)
Sale of preferred equity investment	(112)	(3,281)	0
Capital expenditures	(189,775)	(188,084)	(160,656)
Net cash for investing activities	(189,704)	(184,869)	(161,233)
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0	0
Payments for returns of capital		0
Term debt borrowings	0	750,000	0
Note borrowings	0	500,000	0
Term debt payments	0	(617,850)	(6,000)
Note payments, including amounts paid for early termination	0	(515,458)	0
Distributions paid to partners	(203,199)	(194,756)	(187,182)
Payment of debt issuance costs and original issue discount	(2,543)	(19,809)	0
Exercise of limited partnership unit options	125	65	0
Tax effect of units involved in treasury unit transactions	(2,530)	(4,440)	(422)
Payments related to tax withholding for equity compensation	(8,428)	(4,173)	(920)
Net cash for financing activities	(216,575)	(106,421)	(194,524)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(5,357)	3,640	569
CASH AND CASH EQUIVALENTS
Net increase for the year	(60,896)	43,529	3,159
Balance, beginning of year	166,245	122,716	119,557
Balance, end of year	105,349	166,245	122,716
June 2014 Notes [Member] | Reportable Legal Entities [Member] | Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	136,471	93,378	118,833
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0	0
Proceeds from returns on investments		338,000
Purchase of identifiable intangible assets	0	0	0
Sale of preferred equity investment	0	0
Capital expenditures	0	0	0
Net cash for investing activities	0	338,000	0
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	67,876	69,160	(6,332)
Payments for returns of capital		0
Term debt borrowings		0
Note borrowings		0
Term debt payments		0	0
Note payments, including amounts paid for early termination		(304,014)
Distributions paid to partners	(204,347)	(196,524)	(189,508)
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options	0	0
Tax effect of units involved in treasury unit transactions	0	0	0
Payments related to tax withholding for equity compensation	0	0	0
Net cash for financing activities	(136,471)	(431,378)	(195,840)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS
Net increase for the year	0	0	(77,007)
Balance, beginning of year	0	0	77,007
Balance, end of year	0	0	0
June 2014 Notes [Member] | Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	191,056	209,780	237,262
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	(67,861)	(278,051)	(24,562)
Proceeds from returns on investments		146,500
Purchase of identifiable intangible assets	(41)	(66)	(548)
Sale of preferred equity investment	0	0
Capital expenditures	(169,799)	(177,899)	(152,793)
Net cash for investing activities	(237,701)	(309,516)	(177,903)
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0	0
Payments for returns of capital		(500,000)
Term debt borrowings		619,000
Note borrowings		500,000
Term debt payments		(477,377)	(4,625)
Note payments, including amounts paid for early termination		0
Distributions paid to partners	0	0	0
Payment of debt issuance costs and original issue discount	(2,222)	(18,483)
Exercise of limited partnership unit options	0	0
Tax effect of units involved in treasury unit transactions	0	0	0
Payments related to tax withholding for equity compensation	0	0	0
Net cash for financing activities	(2,222)	123,140	(4,625)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS
Net increase for the year	(48,867)	23,404	54,734
Balance, beginning of year	81,582	58,178	3,444
Balance, end of year	32,715	81,582	58,178
June 2014 Notes [Member] | Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	(745)	(1,838)	(3,351)
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	67,861	278,051	24,562
Proceeds from returns on investments		(500,000)
Purchase of identifiable intangible assets	0	0	0
Sale of preferred equity investment	0	0
Capital expenditures	0	0	0
Net cash for investing activities	67,861	(221,949)	24,562
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	(67,861)	(278,051)	(24,562)
Payments for returns of capital		500,000
Term debt borrowings		0
Note borrowings		0
Term debt payments		0	0
Note payments, including amounts paid for early termination		0
Distributions paid to partners	1,148	1,768	2,326
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options	0	0
Tax effect of units involved in treasury unit transactions	0	0	0
Payments related to tax withholding for equity compensation	0	0	0
Net cash for financing activities	(66,713)	223,717	(22,236)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS
Net increase for the year	403	(70)	(1,025)
Balance, beginning of year	(1,095)	(1,025)	0
Balance, end of year	(692)	(1,095)	(1,025)
April 2017 notes | Reportable Legal Entities [Member] | Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	136,471	93,378	118,833
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0	0
Proceeds from returns on investments		338,000
Purchase of identifiable intangible assets	0	0	0
Sale of preferred equity investment	0	0
Capital expenditures	0	0	0
Net cash for investing activities	0	338,000	0
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	67,876	69,160	(6,332)
Payments for returns of capital		0
Term debt borrowings		0
Note borrowings		0
Term debt payments		0	0
Note payments, including amounts paid for early termination		(304,014)
Distributions paid to partners	(204,347)	(196,524)	(189,508)
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options	0	0
Tax effect of units involved in treasury unit transactions	0	0	0
Payments related to tax withholding for equity compensation	0	0	0
Net cash for financing activities	(136,471)	(431,378)	(195,840)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS
Net increase for the year	0	0	(77,007)
Balance, beginning of year	0	0	77,007
Balance, end of year	0	0	0
April 2017 notes | Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	112,497	160,801	47,728
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	(67,861)	(278,051)	(24,562)
Proceeds from returns on investments		146,500
Purchase of identifiable intangible assets	(33)	0	(474)
Sale of preferred equity investment	0	0
Capital expenditures	(43,703)	(28,451)	(22,978)
Net cash for investing activities	(111,597)	(160,002)	(48,014)
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0	0
Payments for returns of capital		0
Term debt borrowings		0
Note borrowings		0
Term debt payments		0	0
Note payments, including amounts paid for early termination		0
Distributions paid to partners	0	0	0
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options	0	0
Tax effect of units involved in treasury unit transactions	0	0	0
Payments related to tax withholding for equity compensation	0	0	0
Net cash for financing activities	0	0	0
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS
Net increase for the year	900	799	(286)
Balance, beginning of year	1,152	353	639
Balance, end of year	2,052	1,152	353
April 2017 notes | Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	(745)	(1,838)	(3,351)
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	67,861	278,051	24,562
Proceeds from returns on investments		(500,000)
Purchase of identifiable intangible assets	0	0	0
Sale of preferred equity investment	0	0
Capital expenditures	0	0	0
Net cash for investing activities	67,861	(221,949)	24,562
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	(67,861)	(278,051)	(24,562)
Payments for returns of capital		500,000
Term debt borrowings		0
Note borrowings		0
Term debt payments		0	0
Note payments, including amounts paid for early termination		0
Distributions paid to partners	1,148	1,768	2,326
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options	0	0
Tax effect of units involved in treasury unit transactions	0	0	0
Payments related to tax withholding for equity compensation	0	0	0
Net cash for financing activities	(66,713)	223,717	(22,236)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS
Net increase for the year	403	(70)	(1,025)
Balance, beginning of year	(1,095)	(1,025)	0
Balance, end of year	(692)	(1,095)	(1,025)
Co-Issuer Subsidiary (Magnum) [Member] | June 2014 Notes [Member] | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	11,057	(10,710)	(28,315)
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0	0
Proceeds from returns on investments		15,500
Purchase of identifiable intangible assets	0	0	0
Sale of preferred equity investment	(112)	(3,281)
Capital expenditures	0	(25)	0
Net cash for investing activities	112	18,756	0
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	(15)	208,891	30,894
Payments for returns of capital		0
Term debt borrowings		131,000
Note borrowings		0
Term debt payments		(126,619)	(1,237)
Note payments, including amounts paid for early termination		(211,444)
Distributions paid to partners	0	0	0
Payment of debt issuance costs and original issue discount	(321)	(1,326)
Exercise of limited partnership unit options	125	65
Tax effect of units involved in treasury unit transactions	(2,530)	(4,440)	(422)
Payments related to tax withholding for equity compensation	(8,428)	(4,173)	(920)
Net cash for financing activities	(11,169)	(8,046)	28,315
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS
Net increase for the year	0	0	0
Balance, beginning of year	0	0	0
Balance, end of year	0	0	0
Co-Issuer Subsidiary (Magnum) [Member] | April 2017 notes | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	11,057	(10,710)	(28,315)
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0	0
Proceeds from returns on investments		15,500
Purchase of identifiable intangible assets	0	0	0
Sale of preferred equity investment	(112)	(3,281)
Capital expenditures	0	(25)	0
Net cash for investing activities	112	18,756	0
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	(15)	208,891	30,894
Payments for returns of capital		0
Term debt borrowings		131,000
Note borrowings		0
Term debt payments		(126,619)	(1,237)
Note payments, including amounts paid for early termination		(211,444)
Distributions paid to partners	0	0	0
Payment of debt issuance costs and original issue discount	(321)	(1,326)
Exercise of limited partnership unit options	125	65
Tax effect of units involved in treasury unit transactions	(2,530)	(4,440)	(422)
Payments related to tax withholding for equity compensation	(8,428)	(4,173)	(920)
Net cash for financing activities	(11,169)	(8,046)	28,315
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS
Net increase for the year	0	0	0
Balance, beginning of year	0	0	0
Balance, end of year	0	0	0
Co-Issuer Subsidiary (Cedar Canada) [Member] | June 2014 Notes [Member] | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	12,901	40,569	33,918
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0	0
Proceeds from returns on investments		0
Purchase of identifiable intangible assets	0	0	(29)
Sale of preferred equity investment	0	0
Capital expenditures	(19,976)	(10,160)	(7,863)
Net cash for investing activities	(19,976)	(10,160)	(7,892)
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0	0
Payments for returns of capital		0
Term debt borrowings		0
Note borrowings		0
Term debt payments		(13,854)	(138)
Note payments, including amounts paid for early termination		0
Distributions paid to partners	0	0	0
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options	0	0
Tax effect of units involved in treasury unit transactions	0	0	0
Payments related to tax withholding for equity compensation	0	0	0
Net cash for financing activities	0	(13,854)	(138)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(5,357)	3,640	569
CASH AND CASH EQUIVALENTS
Net increase for the year	(12,432)	20,195	26,457
Balance, beginning of year	85,758	65,563	39,106
Balance, end of year	73,326	85,758	65,563
Co-Issuer Subsidiary (Cedar Canada) [Member] | April 2017 notes | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	12,901	40,569	33,918
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0	0
Proceeds from returns on investments		0
Purchase of identifiable intangible assets	0	0	(29)
Sale of preferred equity investment	0	0
Capital expenditures	(19,976)	(10,160)	(7,863)
Net cash for investing activities	(19,976)	(10,160)	(7,892)
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0	0
Payments for returns of capital		0
Term debt borrowings		0
Note borrowings		0
Term debt payments		(13,854)	(138)
Note payments, including amounts paid for early termination		0
Distributions paid to partners	0	0	0
Payment of debt issuance costs and original issue discount	0	0
Exercise of limited partnership unit options	0	0
Tax effect of units involved in treasury unit transactions	0	0	0
Payments related to tax withholding for equity compensation	0	0	0
Net cash for financing activities	0	(13,854)	(138)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(5,357)	3,640	569
CASH AND CASH EQUIVALENTS
Net increase for the year	(12,432)	20,195	26,457
Balance, beginning of year	85,758	65,563	39,106
Balance, end of year	73,326	85,758	65,563
Co-Issuer Subsidiary (Millennium) [Member] | April 2017 notes | Reportable Legal Entities [Member] | Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
NET CASH (FOR) FROM OPERATING ACTIVITIES	78,559	48,979	189,534
CASH FLOWS FOR INVESTING ACTIVITIES
Intercompany receivables (payments) receipts	0	0	0
Proceeds from returns on investments		0
Purchase of identifiable intangible assets	(8)	(66)	(74)
Sale of preferred equity investment	0	0
Capital expenditures	(126,096)	(149,448)	(129,815)
Net cash for investing activities	(126,104)	(149,514)	(129,889)
CASH FLOWS FOR FINANCING ACTIVITIES
Intercompany payables (payments) receipts	0	0	0
Payments for returns of capital		(500,000)
Term debt borrowings		619,000
Note borrowings		500,000
Term debt payments		(477,377)	(4,625)
Note payments, including amounts paid for early termination		0
Distributions paid to partners	0	0	0
Payment of debt issuance costs and original issue discount	(2,222)	(18,483)
Exercise of limited partnership unit options	0	0
Tax effect of units involved in treasury unit transactions	0	0	0
Payments related to tax withholding for equity compensation	0	0	0
Net cash for financing activities	(2,222)	123,140	(4,625)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS
Net increase for the year	(49,767)	22,605	55,020
Balance, beginning of year	80,430	57,825	2,805
Balance, end of year	$ 30,663	$ 80,430	$ 57,825