Earnings Per Share - Reconciliation of Basic and Diluted Shares Amounts (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Net income		$ 14,866	$ 5,713	$ 20,696	$ 9,009
Denominator:
Weighted average shares used in computing net income per share - basic		56,234	55,884	56,179	55,838
Effect of dilutive shares:
Options and stock units		276	391	330	437
Convertible senior notes	[1]	0	159	0	202
Dilutive effect of unvested performance stock units		0	0	0	0
Dilutive potential common shares		276	550	330	639
Denominator for diluted earnings per share - adjusted weighted average shares used in computing earnings per share - diluted		56,510	56,434	56,509	56,477
Earnings per share:
Basic		$ 0.26	$ 0.1	$ 0.37	$ 0.16
Diluted		$ 0.26	$ 0.1	$ 0.37	$ 0.16

[1] Represents the dilutive impact for the Company's 2019 Notes. As of June 30, 2025, the if-converted value is less than the outstanding principal of the 2023 Notes and are therefore anti-dilutive. Refer to Note 9, "Convertible Senior Notes," above for more information.