Net Income (Loss) Per Share - Summary of Net Income (Loss) Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net loss	$ (248,191)	$ (19,518)
Less: Preferred Stock cumulative dividends and deemed dividends	(2,951)	0
Numerator for basic and diluted net income (loss) per common share	$ (251,142)	$ (19,518)
Weighted average common shares outstanding, basic and diluted	42,111	41,972
Basic - net loss per share (in dollars per share)	$ (5.96)	$ (0.47)
Diluted - net loss per share (in dollars per share)	(5.96)	(0.47)
Cash dividends declared per share (in dollars per share)	$ 0	$ 0.07