Convertible Preferred Stock and Stockholders' Equity - Common Stock - Additional Information (Details)	12 Months Ended
Dec. 31, 2019 Vote shares	Dec. 31, 2018 shares
Class Of Stock [Line Items]
Common stock conversion feature	Each share of Class B common stock entitles the holder to ten votes for each share on all matters submitted to a vote of the Company’s stockholders at all meetings of stockholders and written actions in lieu of meetings.
Class A Common Stock
Class Of Stock [Line Items]
Number of votes entitled to stockholders per share \| Vote	1
Conversion of stock \| shares	387,440	7,534,710
Class B Common Stock
Class Of Stock [Line Items]
Number of votes entitled to stockholders per share \| Vote	10
Class of share converted to another class	one share of Class A common stock
Conversion of stock \| shares	1

Each share of Class B common stock entitles the holder to ten votes for each share on all matters submitted to a vote of the Company’s stockholders at all meetings of stockholders and written actions in lieu of meetings.

387,440

7,534,710

Class Of Stock [Line Items]

Class of share converted to another class

one share of Class A common stock