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Share-Based Compensation - Narrative (Details) (USD $)
3 Months Ended 9 Months Ended 0 Months Ended 9 Months Ended 0 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2014
Stock Option [Member]
Sep. 30, 2014
Stock Option [Member]
Fully Vested [Member]
Apr. 28, 2014
Stock Option [Member]
Common Class B [Member]
Fully Vested [Member]
Aug. 08, 2014
Stock Option [Member]
Common Class B [Member]
Tranche A, B & C Options [Member]
Apr. 28, 2014
Stock Option [Member]
Common Class B [Member]
Tranche A, B & C Options [Member]
Sep. 30, 2014
Stock Option [Member]
Common Class B [Member]
Tranche A [Member]
anniversary
installment
Sep. 30, 2014
Stock Option [Member]
Common Class B [Member]
Tranche B [Member]
Sep. 30, 2014
Stock Option [Member]
Common Class B [Member]
Tranche C [Member]
Apr. 28, 2014
Restricted Stock Units (RSUs) [Member]
Sep. 30, 2014
Restricted Stock Units (RSUs) [Member]
Sep. 30, 2014
Restricted Stock Units (RSUs) [Member]
Apr. 28, 2014
Restricted Stock Units (RSUs) [Member]
installment
anniversary
Sep. 30, 2014
Long-Term Incentive Plan [Member]
Restricted Stock [Member]
Common Class B [Member]
Sep. 30, 2014
Long-Term Incentive Plan [Member]
Restricted Stock [Member]
Common Class B [Member]
Sep. 30, 2014
Long-Term Incentive Plan [Member]
Stock Option [Member]
Common Class B [Member]
Sep. 30, 2014
Long-Term Incentive Plan [Member]
Stock Option [Member]
Common Class B [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Allocated Share-based Compensation Expense                         $ 0 $ 0 $ 0 $ 0.00
Stock options granted     30,000 321,250 225,000 182,082 182,084 182,084                
Options granted, exercise price (in dollars per share)     $ 10 $ 10                        
Stock options granted, number of exercisable installments           5           5        
Stock options granted, number of exercisable anniversaries           5           5        
Stock options granted, exercisable internal rate of return             20.00% 25.00%                
Stock options granted, exercisable minimum cash on cash return             250.00% 300.00%                
Stock options canceled or forfeited during period 0                 0            
Shares issued in period                 50,000              
Fair value of granted options (in dollars per share)   $ 4.07                 $ 10