Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Basic:
Net income (loss)	$ 902,987	$ 123,579	$ (218,750)
Weighted-average common shares outstanding (in shares)	350,007	347,463	346,127
Basic net income per common share (USD per share)	$ 2.58	$ 0.36	$ (0.63)
Diluted:
Net income (loss)	$ 902,987	$ 123,579	$ (218,750)
Weighted-average common shares outstanding (in shares)	350,007	347,463	346,127
Dilutive share-based awards (in shares)	7,246	1,653	0
Weighted-average number of common and potential common shares (in shares)	357,253	349,116	346,127
Diluted net income per common share (USD per share)	$ 2.53	$ 0.35	$ (0.63)
Antidilutive securities excluded from computation of earnings per share (in shares)	12,100	21,700