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Debt - Bridge Notes (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Sep. 22, 2016
Jul. 14, 2016
Sep. 30, 2016
Bridge Loan      
Debt Instrument [Line Items]      
Aggregate principal amount $ 3.1 $ 52.6  
Proceeds from issuance of debt   50.0  
Unpaid interest 0.3    
Financing costs     $ 3.0
EGI | Affiliated Entity | Bridge Loan      
Debt Instrument [Line Items]      
Aggregate principal amount   36.8  
Fee amount   $ 1.8  
Rights Offering | Common Stock      
Debt Instrument [Line Items]      
Stock issued during period, value $ 49.9    
Rights Offering | Common Stock | Bridge Loan      
Debt Instrument [Line Items]      
Common stock, value, subscriptions (in shares) 4,000,000    
Conversion of stock, shares converted (in shares) 272,733    
Conversion price (in dollars per share) $ 12.25