Stockholders' Equity - Schedule of Pre-2017 Non-Qualified Stock Options Nonvested Share Activity (Details)	6 Months Ended
	Jun. 30, 2020 $ / shares shares
Number of Shares
Vested (in shares) | shares	390,129
Weighted Average Grant Date Fair Value Per Share
Vested (in dollars per share) | $ / shares	$ 25.98
Pre-2017 non-qualified stock options
Number of Shares
Vested (in shares) | shares	2,430,502
Non-vested (in shares) | shares	34,998
Weighted Average Grant Date Fair Value Per Share
Vested (in dollars per share) | $ / shares	$ 6.95
Non-vested (in dollars per share) | $ / shares	$ 10.00