Common Stock and Preferred Stock (Details) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	240,000,000	240,000,000
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	10,000,000
Preferred stock, par value (in dollars per share)	$ 0.0001
Common stock, shares outstanding (in shares)	68,455,011	68,269,567
Preferred stock, shares outstanding	0	0
Voting Common Stock, $0.0001 par value
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	240,000,000
Common stock, par value (in dollars per share)	$ 0.0001
Non-Voting Common Stock, $0.0001 par value
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	50,000,000
Common stock, par value (in dollars per share)	$ 0.0001
Common stock, shares outstanding (in shares)	0	0