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Stock-Based Compensation - Schedule of Fair Value Assumptions (Details) - SARs - $ / shares
1 Months Ended 12 Months Ended
Feb. 29, 2016
Oct. 31, 2015
Jul. 31, 2015
Jun. 30, 2015
Jun. 30, 2012
Dec. 31, 2017
Jun. 30, 2016
2012 SAR              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Market value closing price of the Common Stock (in dollars per share)       $ 53.64     $ 16.50
Exercise price (in dollars per share)       $ 22.07     $ 22.07
Risk-free interest rate       1.10% 0.92%    
Expected volatility       50.00% 55.00%    
Expected term       3 years 6 months 6 years    
Dividend yield       0.00% 0.00%    
Fair value of the Common Stock (in dollars per share)       $ 31.97      
2012 SAR Bonus Agreement              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Market value closing price of the Common Stock (in dollars per share)     $ 51.13        
Exercise price (in dollars per share)     $ 22.07        
Risk-free interest rate     1.53%        
Expected volatility     50.00%        
Expected term     4 years 10 months 24 days        
Dividend yield     0.00%        
Fair value of the Common Stock (in dollars per share)     $ 33.81        
2015 SARs              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Market value closing price of the Common Stock (in dollars per share)   $ 24.41          
Exercise price (in dollars per share)   $ 24.41          
Risk-free interest rate   1.76%          
Expected volatility   50.00%          
Expected term   7 years 3 months          
Dividend yield   0.00%          
February 2016 SAR awards              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Market value closing price of the Common Stock (in dollars per share) $ 10.76            
Exercise price (in dollars per share) $ 11.25            
Risk-free interest rate 1.36%            
Expected volatility 55.00%            
Expected term 5 years 9 months            
Dividend yield 0.00%            
2017 SARs              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Market value closing price of the Common Stock (in dollars per share)           $ 7.37  
Exercise price (in dollars per share)           $ 7.37  
Risk-free interest rate           2.10%  
Expected volatility           58.50%  
Expected term           6 years  
Dividend yield           0.00%