Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Outstanding Ordinary Shares [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings (Accumulated Deficit) [Member]
Beginning Balance, Amount at Jan. 31, 2023	$ 606,088	$ 18	$ 572,076	$ (492)	$ 34,486
Beginning Balance, Shares at Jan. 31, 2023		39,043,000
Issuance of shares through employee equity plans, Amount	5,198	$ 0	5,198
Issuance of shares through employee equity plans, Shares		467,996
Issuance of shares through employee stock purchase plan, Amount	4,448	$ 0	4,448
Issuance of shares through employee stock purchase plan, Shares		80,207
Stock-based compensation expense	26,249		26,249
Other comprehensive (loss) gain - net of tax	110			110
Net loss	(35,902)				(35,902)
Ending Balance, Amount at Apr. 30, 2023	606,191	$ 18	607,971	(382)	(1,416)
Ending Balance, Shares at Apr. 30, 2023		39,591,203
Beginning Balance, Amount at Jan. 31, 2023	606,088	$ 18	572,076	(492)	34,486
Beginning Balance, Shares at Jan. 31, 2023		39,043,000
Other comprehensive (loss) gain - net of tax	(727)
Net loss	(108,810)
Ending Balance, Amount at Oct. 31, 2023	591,788	$ 18	667,313	(1,219)	(74,324)
Ending Balance, Shares at Oct. 31, 2023		40,229,267
Beginning Balance, Amount at Apr. 30, 2023	606,191	$ 18	607,971	(382)	(1,416)
Beginning Balance, Shares at Apr. 30, 2023		39,591,203
Issuance of shares through employee equity plans, Amount	553	$ 0	553
Issuance of shares through employee equity plans, Shares		279,568
Stock-based compensation expense	27,320		27,320
Other comprehensive (loss) gain - net of tax	(548)			(548)
Net loss	(31,198)				(31,198)
Ending Balance, Amount at Jul. 31, 2023	602,318	$ 18	635,844	(930)	(32,614)
Ending Balance, Shares at Jul. 31, 2023		39,870,771
Issuance of shares through employee equity plans, Amount	334		334
Issuance of shares through employee equity plans, Shares		286,684
Issuance of shares through employee stock purchase plan, Amount	3,486		3,486
Issuance of shares through employee stock purchase plan, Shares		71,812
Stock-based compensation expense	27,649		27,649
Other comprehensive (loss) gain - net of tax	(289)			(289)
Net loss	(41,710)				(41,710)
Ending Balance, Amount at Oct. 31, 2023	591,788	$ 18	667,313	(1,219)	(74,324)
Ending Balance, Shares at Oct. 31, 2023		40,229,267
Beginning Balance, Amount at Jan. 31, 2024	$ 559,871	$ 18	694,967	(183)	(134,931)
Beginning Balance, Shares at Jan. 31, 2024	40,520,558	40,520,558
Issuance of shares through employee equity plans, Amount	$ 4,237	$ 0	4,237
Issuance of shares through employee equity plans, Shares		367,413
Issuance of shares through employee stock purchase plan, Amount	4,055	$ 0	4,055
Issuance of shares through employee stock purchase plan, Shares		97,074
Stock-based compensation expense	25,583		25,583
Other comprehensive (loss) gain - net of tax	(389)			(389)
Net loss	(37,932)				(37,932)
Ending Balance, Amount at Apr. 30, 2024	555,425	$ 18	728,842	(572)	(172,863)
Ending Balance, Shares at Apr. 30, 2024		40,985,045
Beginning Balance, Amount at Jan. 31, 2024	$ 559,871	$ 18	694,967	(183)	(134,931)
Beginning Balance, Shares at Jan. 31, 2024	40,520,558	40,520,558
Other comprehensive (loss) gain - net of tax	$ (114)
Net loss	(96,892)
Ending Balance, Amount at Oct. 31, 2024	$ 554,295	$ 19	786,396	(297)	(231,823)
Ending Balance, Shares at Oct. 31, 2024	41,670,716	41,670,716
Beginning Balance, Amount at Apr. 30, 2024	$ 555,425	$ 18	728,842	(572)	(172,863)
Beginning Balance, Shares at Apr. 30, 2024		40,985,045
Issuance of shares through employee equity plans, Amount	1,015	$ 1	1,014
Issuance of shares through employee equity plans, Shares		287,626
Stock-based compensation expense	25,593		25,593
Other comprehensive (loss) gain - net of tax	407			407
Net loss	(34,889)				(34,889)
Ending Balance, Amount at Jul. 31, 2024	547,551	$ 19	755,449	(165)	(207,752)
Ending Balance, Shares at Jul. 31, 2024		41,272,671
Issuance of shares through employee equity plans, Amount	1,756		1,756
Issuance of shares through employee equity plans, Shares		302,783
Issuance of shares through employee stock purchase plan, Amount	3,980		3,980
Issuance of shares through employee stock purchase plan, Shares		95,262
Stock-based compensation expense	25,211		25,211
Other comprehensive (loss) gain - net of tax	(132)			(132)
Net loss	(24,071)			0	(24,071)
Ending Balance, Amount at Oct. 31, 2024	$ 554,295	$ 19	$ 786,396	$ (297)	$ (231,823)
Ending Balance, Shares at Oct. 31, 2024	41,670,716	41,670,716