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Stockholders' Equity (Details)
$ in Thousands
 9 Months Ended
Mar. 04, 2015
USD ($)
item
shares
Sep. 30, 2015
USD ($)
Stockholders' Equity    
Number of shares of common stock issued in equity and public offering 14,375,000  
Net proceeds from issue of shares of common stock in equity and public offering | $ $ 21,400 $ 21,368
Number of executive officers | item 2  
Shares purchased by executive officers 406,250