Stock-Based Incentive Plan - Compensation Expense Related to Stock Incentive Plans Recognized (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stock-based compensation expense:
Total expense	$ 3,789	$ 1,568	$ 2,422
Tax benefit on nonqualified stock option expense, restricted stock awards and disqualifying dispositions of incentive stock options	551	278	518
Stock Options [Member]
Stock-based compensation expense:
Total expense	62	338	716
Restricted Stock Awards and Restricted Stock Units [Member]
Stock-based compensation expense:
Total expense	3,636	1,142	1,632
Employee Stock Purchase Plan [Member]
Stock-based compensation expense:
Total expense	$ 91	$ 88	$ 74