Convertible Preferred Stock - Additional Information (Details) $ / shares in Units, $ in Millions	Oct. 06, 2016 USD ($) $ / shares shares
Temporary Equity [Line Items]
Net cash proceeds from the initial public offering | $	$ 137.2
Initial Public Offering
Temporary Equity [Line Items]
Issuance of common stock	8,510,000
Offering price per share | $ / shares	$ 18.00
Preferred stock converted into common stock	34,610,979