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EQUITY-BASED COMPENSATION - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended 12 Months Ended
Mar. 31, 2011
Dec. 31, 2013
company
Dec. 31, 2013
2011 Plan
Mar. 31, 2012
OCGH Units
Dec. 31, 2013
OCGH Units
Dec. 31, 2013
OCGH Units
Dec. 31, 2012
OCGH Units
Dec. 31, 2011
OCGH Units
Dec. 31, 2013
OCGH Units
2007 Private Offering
Mar. 31, 2013
OCGH Units
2007 Plan
Dec. 31, 2012
OCGH Units
2007 Plan
Dec. 31, 2013
OCGH Units
2007 Plan
Dec. 31, 2011
OCGH Units
2007 Plan
Mar. 28, 2012
OCGH Units
2007 Plan
Dec. 31, 2013
Class A Units
Dec. 31, 2013
Deferred OCGH Units
Dec. 31, 2013
Phantom Equity
2011 Plan
Dec. 31, 2013
Restricted OCGH Units
Dec. 31, 2013
Class A Units
Dec. 31, 2012
Class A Units
Dec. 31, 2011
Class A Units
Dec. 31, 2013
Restricted Unit Awards
Minimum
OCGH Units
Dec. 31, 2013
Restricted Unit Awards
Maximum
OCGH Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Compensation expense over the service period                 $ 4,644.8                            
Award vesting (as a percent)                 20.00%                            
Estimated time-to-liquidity (in years) 3 years 5 years                                          
Unit exchange rate (in shares)           1                 1       1        
Number of comparable companies used in volatility calculation   3                                          
Discount rate (as a percent)       25.00% 25.00%         30.00% 30.00%   30.00%                    
Assumed forfeiture rate (as a percent)                       1.50%                      
Shares awarded and issued (in shares)     3,206,379                     4,954,976                  
Units authorized for issuance (in shares)     22,567,265                                        
Units issued (in shares)     3,016,379                           15,000            
Number of units granted (in shares)           763,000 2,457,502 1,523,300             8,508 100,000   663,000 8,508 14,969 0    
Total vested and unvested outstanding units (in shares)   151,056,717                                          
Unrecognized compensation expense on non-vested equity-based awards   $ 100.5                                          
Units vesting periods (in years)                                           5 years 10 years
Weighted average period of recognition non-vested equity-based awards (in years)   5 years 0 months 0 days