Business and Nature of Operations - Additional Information (Details) $ / shares in Units, $ in Millions		9 Months Ended
	Sep. 21, 2016 USD ($) $ / shares shares	Sep. 30, 2016 shares	Dec. 31, 2015 shares
Business and Nature of Operations [Line Items]
Common stock, shares outstanding		27,148,042	11,106,926
Class A Common Stock
Business and Nature of Operations [Line Items]
Shares converted to common stock		1,164,105
Common stock, shares outstanding		0	1,164,105
Common Stock
Business and Nature of Operations [Line Items]
Conversion of preferred stock into common stock		8,354,963
Common Stock | Class A Common Stock
Business and Nature of Operations [Line Items]
Stock conversion ratio		1
Common Stock | Convertible Preferred Stock
Business and Nature of Operations [Line Items]
Stock conversion ratio		1
IPO | Common Stock
Business and Nature of Operations [Line Items]
Shares sold of common stock	6,250,000	6,250,000
Shares sold, price per share | $ / shares	$ 12.00
Net proceeds from initial public offering | $	$ 66.1
Conversion of preferred stock into common stock		8,354,963
Convertible preferred stock conversion basis		one-to-one