Computation of Basic and Diluted (Loss) 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
Earnings Loss Per Share [Line Items]
Net (loss) income		$ (535,480)	$ (7,524)	$ 34,355
Total weighted average common stock shares outstanding		10,020	9,684	10,256
Adjusted weighted average shares		10,020	9,684	10,328
(Loss) earnings per share:
Basic (loss) earnings per share	[1]	$ (53.44)	$ (0.78)	$ 3.35
Diluted (loss) earnings per share	[1]	$ (53.44)	$ (0.78)	$ 3.33
Employee Stock Options
Earnings Loss Per Share [Line Items]
Dilutive securities (in shares)		0	0	72
Class A
Earnings Loss Per Share [Line Items]
Total weighted average common stock shares outstanding		8,056	7,658	8,221
Class B Convertible
Earnings Loss Per Share [Line Items]
Total weighted average common stock shares outstanding		1,964	2,026	2,035

[1] Basic and fully diluted (loss) earnings per share for class A and class B common stock are the same.