Net Income (Loss) Per Common Share - Additional Information (Detail) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share, minimum price range (in dollars per share)	$ 7.93	$ 8.86	$ 7.93	$ 8.86
Anti dilutive securities excluded from computation of earnings per share, maximum price range (in dollars per share)	25.16	$ 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			25.00%
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%