Stock-based Compensation - Company's Options Outstanding (Detail)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding - Number of Shares (in shares)	2,017,791
Options Exercisable - Number of Shares (in shares)	1,716,159
$1.92 – $12.56
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding - Number of Shares (in shares)	381,265
Options Outstanding -Weighted- Average Remaining Contractual Life in Years	4 years 11 months 26 days
Options Exercisable - Number of Shares (in shares)	362,291
Options Exercisable - Weighted- Average Remaining Contractual Life in Years	4 years 11 months 4 days
$1.92 – $12.56 | Minimum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 1.92
$1.92 – $12.56 | Maximum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 12.56
$12.77 – $14.99
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding - Number of Shares (in shares)	494,527
Options Outstanding -Weighted- Average Remaining Contractual Life in Years	3 years 8 months 8 days
Options Exercisable - Number of Shares (in shares)	489,955
Options Exercisable - Weighted- Average Remaining Contractual Life in Years	3 years 7 months 28 days
$12.77 – $14.99 | Minimum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 12.77
$12.77 – $14.99 | Maximum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 14.99
$15.21 – $18.55
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding - Number of Shares (in shares)	238,237
Options Outstanding -Weighted- Average Remaining Contractual Life in Years	3 years 5 months 4 days
Options Exercisable - Number of Shares (in shares)	228,621
Options Exercisable - Weighted- Average Remaining Contractual Life in Years	3 years 3 months 14 days
$15.21 – $18.55 | Minimum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 15.21
$15.21 – $18.55 | Maximum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 18.55
$18.68 – $22.71
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding - Number of Shares (in shares)	343,952
Options Outstanding -Weighted- Average Remaining Contractual Life in Years	5 years 5 months 15 days
Options Exercisable - Number of Shares (in shares)	297,292
Options Exercisable - Weighted- Average Remaining Contractual Life in Years	5 years 1 month 9 days
$18.68 – $22.71 | Minimum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 18.68
$18.68 – $22.71 | Maximum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 22.71
$23.00 – $72.33
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding - Number of Shares (in shares)	559,810
Options Outstanding -Weighted- Average Remaining Contractual Life in Years	7 years 5 months 15 days
Options Exercisable - Number of Shares (in shares)	338,000
Options Exercisable - Weighted- Average Remaining Contractual Life in Years	7 years 4 months 13 days
$23.00 – $72.33 | Minimum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 23.00
$23.00 – $72.33 | Maximum
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price, Maximum (in dollars per share) | $ / shares	$ 72.33