Consolidated Statements of Changes in Unitholders' Capital (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended																		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Paid-in Capital	Dec. 31, 2012 Paid-in Capital	Dec. 31, 2011 Paid-in Capital	Dec. 31, 2013 Accumulated Deficit	Dec. 31, 2012 Accumulated Deficit	Dec. 31, 2011 Accumulated Deficit	Dec. 31, 2013 Accumulated Other Comprehensive Income (Loss)	Dec. 31, 2012 Accumulated Other Comprehensive Income (Loss)	Dec. 31, 2011 Accumulated Other Comprehensive Income (Loss)	Dec. 31, 2013 OCGH Non-Controlling Interest in Consolidated Subsidiaries	Dec. 31, 2012 OCGH Non-Controlling Interest in Consolidated Subsidiaries	Dec. 31, 2011 OCGH Non-Controlling Interest in Consolidated Subsidiaries	Dec. 31, 2013 Class A Units Common Stock	Dec. 31, 2012 Class A Units Common Stock	Dec. 31, 2010 Class A Units Common Stock	Dec. 31, 2013 Class B Units Common Stock	Dec. 31, 2012 Class B Units Common Stock	Dec. 31, 2011 Class B Units Common Stock	Dec. 31, 2012 Class C Units Common Stock	Dec. 31, 2013 Class C Units Common Stock	Dec. 31, 2010 Class C Units Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Unitholders' capital, value	$ 1,393,893	$ 1,124,000	$ 1,236,716	$ 645,053	$ 634,739	$ 549,466	$ (336,903)	$ (444,713)	$ (348,741)	$ (1,748)	$ (1,884)	$ (372)	$ 1,087,491	$ 935,858	$ 1,036,363
Unitholders' capital (in shares)																30,181,000	22,664,000	22,664,000	120,268,000	125,847,000	125,431,000	13,000	0	13,000
Issuance of units (in shares)																8,292,000	7,904,000		673,000	2,358,000	1,523,000
Issuance of units, value	419,908	322,260		419,908	322,260
Cancellation of Class B units associated with forfeitures of OCGH units (in shares)																			(48,000)	(33,000)	(32,000)
Conversion of Class C units into Class A units (in shares)																	(13,000)					(13,000)
Cancellation of units (in shares)																	(400,000)				(1,075,000)
Repurchase and cancellation of Class A units		(14,132)			(14,132)
Cancellation of Class B units (in shares)																			(8,309,000)	(7,904,000)
Purchase of OCGH units from OCGH unitholders	(419,908)	(322,260)		(419,908)	(322,260)
Deferred tax effect resulting from the purchase of OCGH units	19,807	15,490		19,807	15,490
Repurchase and cancellation of OCGH units	(833)	(675)	(39,623)										(833)	(675)	(39,623)
Equity reallocation between controlling and non-controlling interests	79,052	69,097	(6,413)	79,052	69,097	(6,413)							(79,052)	(69,097)	6,413
Capital increase related to equity-based compensation	28,441	36,342	948,746	6,620	6,648	144,749							21,821	29,694	803,997
Contributions			848												848
Distributions declared	(781,909)	(424,067)	(470,588)	(160,296)	(66,789)	(53,063)							(621,613)	(357,278)	(417,525)
Net income (loss)	1,046,793	656,075	(542,218)				221,998	107,810	(95,972)				824,795	548,265	(446,246)
Foreign currency translation adjustment, net of tax	(1,546)	1,193	(713)							(198)	205	(112)	(1,348)	988	(601)
Unrealized gain (loss) on interest rate swap designated as cash flow hedge, net of tax	3,732	(333)	(9,168)							824	(69)	(1,400)	2,908	(264)	(7,768)
Unitholders' capital, value	$ 1,708,378	$ 1,393,893	$ 1,124,000	$ 590,236	$ 645,053	$ 634,739	$ (114,905)	$ (336,903)	$ (444,713)	$ (1,122)	$ (1,748)	$ (1,884)	$ 1,234,169	$ 1,087,491	$ 935,858
Unitholders' capital (in shares)																38,473,000	30,181,000	22,664,000	112,584,000	120,268,000	125,847,000	0	0	13,000