Earnings per Share - Calculation of Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings per Share
Net income (loss)	$ 9,816	$ 352,759	$ 29,220	$ (48,614)	$ 362,575	$ (19,394)
Less: Net income allocated to participating securities	433		1,402		16,422	0
Net income (loss) available to common stockholders	$ 9,383		$ 27,818		$ 346,153	$ (19,394)
Common shares:
Common shares outstanding - basic	38,971		38,330		38,833	38,256
Dilutive effect of potential common shares	0		0		0	0
Common shares outstanding - diluted	38,971		38,330		38,833	38,256
Basic	$ 0.24		$ 0.73		$ 8.91	$ (0.51)
Diluted	$ 0.24		$ 0.73		$ 8.91	$ (0.51)