Business and Nature of Operations - Additional Information (Details) $ / shares in Units, $ in Millions		3 Months Ended
	Sep. 21, 2016 USD ($) $ / shares shares	Mar. 31, 2017 $ / shares shares	Dec. 31, 2016 $ / shares shares
Business And Nature Of Operations [Line Items]
Common stock, par value | $ / shares		$ 0.001	$ 0.001
Common stock, shares outstanding | shares		27,235,785	27,150,674
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
Business And Nature Of Operations [Line Items]
Issuance of common stock in initial public offering, net of issuance costs, shares | shares	6,250,000
Common stock, par value | $ / shares	$ 12.00
Proceeds from issuance initial public offering gross | $	$ 66.1