CASH AND CASH EQUIVALENTS, INVESTMENTS, AND FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Oct. 31, 2025

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets Measured on Recurring Basis

The following tables summarize information about our cash, cash equivalents, and investments by investment category as of October 31, 2025 and January 31, 2025 (in thousands):

	As of October 31, 2025
	Fair Value Level	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Assets
Cash and cash equivalents:
Cash		$	106,456	$	—	$	—	$	106,456
Money market funds	Level 1	43,750		—		—		43,750
Total cash and cash equivalents		$	150,206	$	—	$	—	$	150,206
Short-term investments:
U.S. treasury securities	Level 1	$	291,123	$	853	$	(5)	$	291,971
Corporate notes and bonds	Level 2	198,660		553		(35)		199,178
U.S. agency securities	Level 2	8,500		—		(9)		8,491
Total short-term investments		$	498,283	$	1,406	$	(49)	$	499,640
Long-term investments:
U.S. treasury securities	Level 1	$	93,748	$	445	$	—	$	94,193
Corporate notes and bonds	Level 2	98,588		439		—		99,027
Total long-term investments		$	192,336	$	884	$	—	$	193,220
Total assets measured at fair value		$	840,825	$	2,290	$	(49)	$	843,066

	As of January 31, 2025
	Fair Value Level	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Assets
Cash and cash equivalents:
Cash		$	94,728	$	—	$	—	$	94,728
Money market funds	Level 1	61,962		—		—		61,962
U.S. treasury securities	Level 1	9,969		3		—		9,972
Commercial paper	Level 2	19,914		—		(2)		19,912
Total cash and cash equivalents		$	186,573	$	3	$	(2)	$	186,574
Short-term investments:
U.S. treasury securities	Level 1	$	208,918	$	284	$	(74)	$	209,128
Commercial paper	Level 2	24,606		1		(2)		24,605
Corporate notes and bonds	Level 2	238,610		586		(6)		239,190
U.S. agency securities	Level 2	62,257		151		—		62,408
Total short-term investments		$	534,391	$	1,022	$	(82)	$	535,331
Long-term investments:
U.S. treasury securities	Level 1	$	208,104	$	787	$	(203)	$	208,688
Corporate notes and bonds	Level 2	173,882		573		(331)		174,124
U.S. agency securities	Level 2	13,458		—		(63)		13,395
Total long-term investments		$	395,444	$	1,360	$	(597)	$	396,207
Total assets measured at fair value		$	1,116,408	$	2,385	$	(681)	$	1,118,112