Debt - Senior Notes (Details) - Senior Notes [Member] - USD ($)
Mar. 01, 2015
Mar. 05, 2010
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  
Redemption price percent 102.19%  
Repayments of senior debt $ 205,300,000