Stockholders Equity and Stock-Based Compensation (Schedule of Non-Vested Share Activity) (Detail)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested [Roll Forward]
Non-vested stock options, Number of Shares, Period Start | shares	353,643
Vested, Number of Shares | shares	(220,469)
Cancelled, Number of Shares | shares	(19,107)
Non-vested stock options, Number of Shares, Period End | shares	114,067
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Non-vested stock options, Weighted Average Fair Value, Period Start | $ / shares	$ 11.66
Vested, Weighted Average Fair Value | $ / shares	11.35
Cancelled, Weighted Average Fair Value | $ / shares	12.26
Non-vested stock options, Weighted Average Fair Value, Period End | $ / shares	$ 12.16