Debt - Senior Notes (Details) (Senior Notes [Member], USD $)
0 Months Ended
Mar. 01, 2015
Mar. 01, 2015
Jan. 31, 2015
Mar. 05, 2010
Senior Notes [Member]
       
Debt Instrument [Line Items]        
Face amount of debt       $ 250,000,000.0
Interest rate       8.75%
Offering price percentage       98.60%
Debt outstanding 200,900,000 200,900,000 200,900,000  
Redemption price percent 102.19%      
Repayments of senior debt $ 205,300,000