Earnings per Share - Calculation of Earnings (Loss) per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Line Items]
Net income (loss)		$ 29,220	$ (48,614)	$ (35,023)	$ (19,328)	$ (19,394)	$ (54,351)
Less: Net income allocated to participating securities		1,402		0		0	0
Basic and diluted earnings available to common stockholders		$ 27,818		$ (35,023)		$ (19,394)	$ (54,351)
Common shares:
Common shares outstanding - basic		38,330		37,983		38,256	37,907
Dilutive effect of potential common shares		0		0		0	0
Common shares outstanding - diluted		38,330		37,983		38,256	37,907
Basic		$ 0.73		$ (0.92)		$ (0.51)	$ (1.43)
Diluted		$ 0.73		$ (0.92)		$ (0.51)	$ (1.43)
Warrants [Member]
Common shares:
Antidilutive stock options or warrants	[1]			2,174			2,174

[1] Amount represents warrants to purchase common stock that are excluded from the diluted net earnings per share calculations because of their antidilutive effect