Earnings (Loss) per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings (Loss) per Share
Net income (loss)	$ 7,119	$ (9,396)	$ 9,816	$ 352,759	$ (2,277)	$ 362,575
Less: Net income allocated to participating securities	346		433		0	16,422
Net income (loss) available to common stockholders	$ 6,773		$ 9,383		$ (2,277)	$ 346,153
Common shares:
Common shares outstanding - basic (in shares)	39,629		38,971		39,519	38,833
Dilutive effect of potential common shares (in shares)	0		0		0	0
Common shares outstanding - diluted (in shares)	39,629		38,971		39,519	38,833
Net earnings (loss) per share - Basic (in dollars per shares)	$ 0.17		$ 0.24		$ (0.06)	$ 8.91
Net earnings (loss) per share - Diluted (in dollars per shares)	$ 0.17		$ 0.24		$ (0.06)	$ 8.91