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Secondary Offering (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Apr. 22, 2016
Apr. 18, 2016
Oct. 26, 2015
Sep. 30, 2015
Jan. 31, 2015
Subsidiary Or Equity Method Investee [Line Items]          
Issuance of common stock, net         $ 73,393
Seidler Equity Partners III L.P. | Secondary Offering          
Subsidiary Or Equity Method Investee [Line Items]          
Issuance of common shares (in shares) 900 6,000 649 6,250  
Common stock shares issued, price per share $ 11.25   $ 12.25    
Issuance of common stock, net $ 0   $ 0 $ 0  
Seidler Equity Partners III L.P. | Secondary Offering | Selling, General and Administrative Expenses          
Subsidiary Or Equity Method Investee [Line Items]          
Offering expenses $ 143   $ 727