CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Accumulated deficit
Beginning balance (in shares) at Dec. 31, 2022		37,280
Beginning balance at Dec. 31, 2022	$ 357,932	$ 37	$ 763,629	$ (2,538)	$ (403,196)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, net of tax effects and payments (in shares)		144
Issuance of common stock under stock plans, net of tax effects and payments	551		551
Stock-based compensation expense	3,943		3,943
Foreign currency translation, net of tax	42			42
Net loss	(7,274)				(7,274)
Ending balance (in shares) at Mar. 31, 2023		37,424
Ending balance at Mar. 31, 2023	355,194	$ 37	768,123	(2,496)	(410,470)
Beginning balance (in shares) at Dec. 31, 2022		37,280
Beginning balance at Dec. 31, 2022	357,932	$ 37	763,629	(2,538)	(403,196)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, net of tax effects and payments (in shares)		559
Issuance of common stock under stock plans, net of tax effects and payments	2,490	$ 1	2,489
Stock-based compensation expense	12,497		12,497
Unrealized (loss) gain on marketable securities, net of tax	(241)			(241)
Foreign currency translation, net of tax	(350)			(350)
Net loss	(19,541)				(19,541)
Ending balance (in shares) at Sep. 30, 2023		37,839
Ending balance at Sep. 30, 2023	352,787	$ 38	778,615	(3,129)	(422,737)
Beginning balance (in shares) at Mar. 31, 2023		37,424
Beginning balance at Mar. 31, 2023	355,194	$ 37	768,123	(2,496)	(410,470)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, net of tax effects and payments (in shares)		142
Issuance of common stock under stock plans, net of tax effects and payments	139		139
Stock-based compensation expense	4,210		4,210
Foreign currency translation, net of tax	(244)			(244)
Net loss	(5,551)				(5,551)
Ending balance (in shares) at Jun. 30, 2023		37,566
Ending balance at Jun. 30, 2023	353,748	$ 37	772,472	(2,740)	(416,021)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, net of tax effects and payments (in shares)		273
Issuance of common stock under stock plans, net of tax effects and payments	1,800	$ 1	1,799
Stock-based compensation expense	4,344		4,344
Unrealized (loss) gain on marketable securities, net of tax	(241)			(241)
Foreign currency translation, net of tax	(148)			(148)
Net loss	(6,716)				(6,716)
Ending balance (in shares) at Sep. 30, 2023		37,839
Ending balance at Sep. 30, 2023	352,787	$ 38	778,615	(3,129)	(422,737)
Beginning balance (in shares) at Dec. 31, 2023		38,014
Beginning balance at Dec. 31, 2023	349,958	$ 38	783,142	(1,672)	(431,550)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, net of tax effects and payments (in shares)		274
Issuance of common stock under stock plans, net of tax effects and payments	599		599
Stock-based compensation expense	5,265		5,265
Unrealized (loss) gain on marketable securities, net of tax	(607)			(607)
Foreign currency translation, net of tax	(674)			(674)
Net loss	(11,243)				(11,243)
Ending balance (in shares) at Mar. 31, 2024		38,288
Ending balance at Mar. 31, 2024	343,298	$ 38	789,006	(2,953)	(442,793)
Beginning balance (in shares) at Dec. 31, 2023		38,014
Beginning balance at Dec. 31, 2023	349,958	$ 38	783,142	(1,672)	(431,550)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Unrealized (loss) gain on marketable securities, net of tax	272
Foreign currency translation, net of tax	(11)
Net loss	(26,903)
Ending balance (in shares) at Sep. 30, 2024		38,475
Ending balance at Sep. 30, 2024	338,882	$ 39	798,707	(1,411)	(458,453)
Beginning balance (in shares) at Mar. 31, 2024		38,288
Beginning balance at Mar. 31, 2024	343,298	$ 38	789,006	(2,953)	(442,793)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, net of tax effects and payments (in shares)		110
Issuance of common stock under stock plans, net of tax effects and payments	(328)		(328)
Stock-based compensation expense	5,228		5,228
Unrealized (loss) gain on marketable securities, net of tax	(175)			(175)
Foreign currency translation, net of tax	62			62
Net loss	(7,307)				(7,307)
Ending balance (in shares) at Jun. 30, 2024		38,398
Ending balance at Jun. 30, 2024	340,778	$ 38	793,906	(3,066)	(450,100)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, net of tax effects and payments (in shares)		77
Issuance of common stock under stock plans, net of tax effects and payments	145	$ 1	144
Stock-based compensation expense	4,657		4,657
Unrealized (loss) gain on marketable securities, net of tax	1,054			1,054
Foreign currency translation, net of tax	601			601
Net loss	(8,353)
Ending balance (in shares) at Sep. 30, 2024		38,475
Ending balance at Sep. 30, 2024	$ 338,882	$ 39	$ 798,707	$ (1,411)	$ (458,453)