Cash and Cash Equivalents, Investments, and Fair Value Measurements (Tables)

6 Months Ended

Jul. 31, 2024

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 July 31, 2024 and January 31, 2024 (in thousands):

	As of July 31, 2024
	Fair Value Level	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Assets
Cash and cash equivalents:
Cash	Level 1	$	86,970	$	—	$	—	$	86,970
Money market funds	Level 1	118,928		—		—		118,928
Total cash and cash equivalents		$	205,898	$	—	$	—	$	205,898
Short-term investments:
U.S. Treasury securities	Level 1	$	134,506	$	16	$	(105)	$	134,417
Corporate notes and bonds	Level 2	199,574		20		(370)		199,224
U.S. agency securities	Level 2	168,870		23		(260)		168,633
Total short-term investments		$	502,950	$	59	$	(735)	$	502,274
Long-term investments:
U.S. Treasury securities	Level 1	$	141,343	$	791	$	—	$	142,134
Corporate notes and bonds	Level 2	214,371		565		(32)		214,904
U.S. agency securities	Level 2	37,419		63		(18)		37,464
Total long-term investments		$	393,133	$	1,419	$	(50)	$	394,502
Total assets measured at fair value		$	1,101,981	$	1,478	$	(785)	$	1,102,674

	As of January 31, 2024
	Fair Value Level	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Assets
Cash and cash equivalents:
Cash	Level 1	$	43,925	$	—	$	—	$	43,925
Money market funds	Level 1	204,481		—		—		204,481
Certificates of deposit	Level 2	8,245		—		—		8,245
Total cash and cash equivalents		$	256,651	$	—	$	—	$	256,651
Short-term investments:
U.S. Treasury securities	Level 1	$	234,776	$	—	$	(1,053)	$	233,723
Corporate notes and bonds	Level 2	279,248		12		(1,068)		278,192
U.S. agency securities	Level 2	157,873		18		(501)		157,390
Total short-term investments		$	671,897	$	30	$	(2,622)	$	669,305
Long-term investments:
U.S. Treasury securities	Level 1	$	27,175	$	121	$	—	$	27,296
Corporate notes and bonds	Level 2	69,970		279		(67)		70,182
U.S. agency securities	Level 2	90,924		303		(48)		91,179
Total long-term investments		$	188,069	$	703	$	(115)	$	188,657
Total assets measured at fair value		$	1,116,617	$	733	$	(2,737)	$	1,114,613