Stockholders' Equity (Deficit) - Additional information (Details) - $ / shares	Dec. 31, 2018	Mar. 21, 2018	Dec. 31, 2017
Stockholders Equity Note [Abstract]
Capital stock shares authorized	410,000,000
Common stock, shares authorized	400,000,000	400,000,000	153,993,227
Preferred stock, shares authorized	10,000,000	10,000,000	0
Common stock, par value	$ 0.0001	$ 0.0001	$ 0.0001
Preferred stock, par value	$ 0.0001	$ 0.0001	$ 0.0001