Earnings Per Share - Calculation of Basic and Diluted Net Loss per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
BASIC EPS:
Net income (loss) attributed to common stockholders	$ 21,886	$ (103,309)	$ (6,891)	$ (209,722)
Weighted average number of common shares outstanding, excluding non-vested shares of restricted stock	216,165,000	188,408,000	215,718,000	188,044,000
Basic net income (loss) per common share	$ 0.10	$ (0.55)	$ (0.03)	$ (1.12)
DILUTED EPS:
Net income (loss) attributed to common stockholders	$ 21,886	$ (103,309)	$ (6,891)	$ (209,722)
Weighted average number of common shares outstanding, excluding non-vested shares of restricted stock	216,165,000	188,408,000	215,718,000	188,044,000
Add dilutive effect of potential common shares	3,511,000	0	0	0
Weighted average number of diluted common shares outstanding	219,676,000	188,408,000	215,718,000	188,044,000
Diluted net income (loss) per common share	$ 0.10	$ (0.55)	$ (0.03)	$ (1.12)
Potentially dilutive securities excluded as anti-dilutive	3,683,000	10,361,000	9,982,000	10,361,000