v3.8.0.1
Preferred Stock - Narrative (Details) - Series A Redeemable Convertible Preferred Stock
$ / shares in Units, $ in Millions
Jun. 29, 2016
USD ($)
director
$ / shares
shares
Temporary Equity [Line Items]  
Preferred stock financing, shares | shares 46,400
Preferred stock, par value, in dollars per share $ 0.001
Preferred stock financing | $ $ 46.4
Shares issued, price per share $ 1,000
Stock issuance costs incurred | $ $ 2.1
Preferred stock, convertible, threshold percentage of outstanding shares (at least) 0.5
Preferred stock, dividend rate, percentage 5.50%
Liquidation preference per share $ 1,000
Preferred stock, convertible, conversion price $ 10.50
Preferred stock, convertible, threshold percentage of stock price trigger 1.5
Preferred stock, convertible, threshold amount of trading days needed to convert shares 20 days
Preferred stock, convertible, threshold period of consecutive trading days needed to convert shares 30 days
Preferred stock, voting rights, number of directors to elect | director 1
Length of time restricted from purchasing securities 18 months