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Equity-Based Compensation - Restricted Stock Awards with Market Conditions Additional Information (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Nov. 30, 2015
Apr. 30, 2014
trading_day
shares
Feb. 28, 2014
trading_day
shares
Dec. 31, 2015
USD ($)
trading_day
$ / shares
shares
Dec. 31, 2014
USD ($)
shares
Dec. 31, 2013
USD ($)
shares
Dec. 31, 2012
shares
Dec. 31, 2011
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation expense | $       $ 10,100 $ 9,400 $ 6,200    
Unrecognized equity-based compensation | $       $ 28,909 $ 40,215 $ 10,420    
Tranche one                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage 25.00%              
Tranche two                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       75.00%        
Restricted stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares issued and unvested       3,480,828 3,755,275 1,185,071 1,217,463  
Number of shares forfeited in period       70,299 370,041 12,893    
Unrecognized equity-based compensation | $       $ 18,946 $ 37,780 $ 7,526    
Number of shares, granted       581,672 3,239,948 183,190    
2011 Executive Performance Based Awards                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares issued and unvested               366,666
2014 Management Market Based Awards | Restricted stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares issued and unvested     1,277,500          
Share-based payment award, threshold, number of trading days | trading_day     45          
Unrecognized equity-based compensation | $       $ 700        
2014 Management Market Based Awards | Restricted stock | Tranche one                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Nonvested shares, volume weighted average price per share (in usd per share) | $ / shares       $ 28.07        
Vesting percentage if targets are achieved       50.00%        
Vesting percentage       25.00%        
2014 Management Market Based Awards | Restricted stock | Tranche two                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Nonvested shares, volume weighted average price per share (in usd per share) | $ / shares       $ 30.16        
Vesting percentage if targets are achieved       50.00%        
Vesting percentage       25.00%        
2014 Management Market Based Awards | Restricted stock | Tranche Three                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Nonvested shares, volume weighted average price per share (in usd per share) | $ / shares       $ 32.38        
Vesting percentage       25.00%        
2014 Management Market Based Awards | Restricted stock | Tranche Four                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Nonvested shares, volume weighted average price per share (in usd per share) | $ / shares       $ 34.71        
Vesting percentage       25.00%        
2014 Employee Market Based Awards | Restricted stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based payment award, threshold, number of trading days | trading_day   45            
Number of shares forfeited in period       12,000 600      
Number of shares, granted   50,800            
2014 Management and Employee Market Based Awards | Restricted stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based payment award, threshold, number of trading days | trading_day       45        
Share-based compensation expense | $       $ 9,300 $ 8,800 $ 600    
Unrecognized equity-based compensation | $       $ 800        
Number of shares, granted       20,000        
Employees | Restricted stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares issued and unvested       15,406        
Employees | Restricted stock | First Vesting, Tranche Two                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage         25.00%      
Employees | Restricted stock | First Vesting, Tranche Three                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage         25.00%      
Employees | Restricted stock | First Vesting, Tranche Four                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage         25.00%