Consolidated Statements of Shareholders' Equity - 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, 2022	$ 547,176	$ 17	$ 447,287	$ 0	$ 99,872
Beginning Balance, Shares at Jan. 31, 2022		37,302,818
Issuance of shares through employee equity plans, Shares		1,635,596
Issuance of shares through employee equity plans, Amount	11,409	$ 1	11,408	0	0
Issuance of shares through employee stock purchase plan, Amount	6,636	$ 0	6,636	0	0
Issuance of shares through employee stock purchase plan, Shares		104,586
Stock-based compensation expense	106,745	$ 0	106,745	0	0
Other comprehensive (loss) income - net of tax	(492)	0	0	(492)	0
Net loss	(65,386)	0	0	0	(65,386)
Ending Balance, Amount at Jan. 31, 2023	606,088	$ 18	572,076	(492)	34,486
Ending Balance, Shares at Jan. 31, 2023		39,043,000
Issuance of shares through employee equity plans, Shares		1,325,539
Issuance of shares through employee equity plans, Amount	7,280	$ 0	7,280	0	0
Issuance of shares through employee stock purchase plan, Amount	7,934	$ 0	7,934	0	0
Issuance of shares through employee stock purchase plan, Shares		152,019
Stock-based compensation expense	107,677	$ 0	107,677	0	0
Other comprehensive (loss) income - net of tax	309	0	0	309	0
Net loss	(169,417)	0	0	0	(169,417)
Ending Balance, Amount at Jan. 31, 2024	$ 559,871	$ 18	694,967	(183)	(134,931)
Ending Balance, Shares at Jan. 31, 2024	40,520,558	40,520,558
Issuance of shares through employee equity plans, Shares		1,251,065
Issuance of shares through employee equity plans, Amount	$ 8,361	$ 1	8,360	0	0
Issuance of shares through employee stock purchase plan, Amount	8,035	$ 0	8,035	0	0
Issuance of shares through employee stock purchase plan, Shares		192,336
Stock-based compensation expense	102,321	$ 0	102,321	0	0
Other comprehensive (loss) income - net of tax	(50)	0	0	(50)	0
Net loss	(117,126)	0	0	0	(117,126)
Ending Balance, Amount at Jan. 31, 2025	$ 561,412	$ 19	$ 813,683	$ (233)	$ (252,057)
Ending Balance, Shares at Jan. 31, 2025	41,963,959	41,963,959