Net Income (Loss) Per Share - Additional Information (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 11, 2019
Net Income Per Share [Line Items]
Anti-dilutive securities excluded from computation of earnings per share minimum price range (in usd per share)	$ 7.93	$ 8.54	$ 4.42
Anti-dilutive securities excluded from computation of earnings per share maximum price range one (in usd per share)	25.16	$ 25.16	$ 25.16
Class of warrant or right, exercise price of warrants or rights (in dollars per share)	$ 12.00			$ 12.00
Preferred stock, conversion limit	2500.00%
Preferred stock, period of volume weighted average price per common share	30 days
Preferred stock, conversion percentage of volume weighted average market price, percent	90.00%