Debt - Senior Notes (Details) (USD $)
0 Months Ended
Mar. 01, 2015
Mar. 05, 2010
Jan. 31, 2015
Debt Instrument [Line Items]      
Stated interest rate   8.75%  
Senior Notes [Member]      
Debt Instrument [Line Items]      
Face amount   250,000,000.0  
Stated interest rate   8.75%  
Offering price percent   98.60%  
Long-term debt, fair value     206,400,000
Senior Notes [Member] | Subsequent Event [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 200,900,000    
Debt Instrument, Redemption Price, Percentage 102.19%