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Stock-based Compensation - Narrative (Details) - Stock Appreciation Rights (SARs) [Member]
$ / shares in Units, $ in Millions
9 Months Ended
Mar. 01, 2015
individual
$ / shares
shares
Sep. 30, 2015
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of SARs issued | shares 3,108,107  
Number of individuals received SARs | individual 16  
Exercise price of SARs $ 2.28  
Vesting period of SARs 4 years  
Number of days weighted average price of common stock must be greater than a percentage of exercise price of SARs 20 days  
Annual vesting percentage 33.33%  
Share-based compensation expense | $   $ 0.6
Phase one [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Percentage that weighted average price of common stock must be greater than exercise price of SARs 120.00%  
Annual vesting percentage 33.33%  
Phase two [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Percentage that weighted average price of common stock must be greater than exercise price of SARs 125.00%  
Annual vesting percentage 33.33%  
Phase three [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Percentage that weighted average price of common stock must be greater than exercise price of SARs 130.00%  
Annual vesting percentage 33.33%