Earnings per Share - Calculation of Earnings (Loss) per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Line Items]
Net loss		$ (32,070)	$ (464,030)
Less: Net income allocated to participating restricted stockholders		0	0
Basic and diluted earnings available to common stockholders		$ (32,070)	$ (464,030)
Common shares:
Common shares outstanding - basic		37,959	37,612
Dilutive effect of potential common shares		0	0
Common shares outstanding - diluted		37,959	37,612
Basic		$ (0.84)	$ (12.34)
Diluted		$ (0.84)	$ (12.34)
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