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Debt - Bridge Notes (Details) - Bridge Loan - USD ($)
$ / shares in Units, $ in Millions
Sep. 22, 2016
Jul. 14, 2016
Debt Instrument [Line Items]    
Debt instrument, face amount $ 3.1 $ 52.6
Accrued interest, increase 0.3  
Deferred finance costs, net $ 3.0  
Rights Offering    
Debt Instrument [Line Items]    
Shares subscribed but unissued 4,000,000  
Issuance of common stock, net of offering costs $ 49.9  
Common Stock | Rights Offering    
Debt Instrument [Line Items]    
Conversion of Bridge Notes (in shares) 272,733  
Conversion price $ 12.25