Fair Value of Assets and Liabilities (Tables)

3 Months Ended

Apr. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value of Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following tables represents the fair value of assets and liabilities measured at fair value on a recurring basis using the above hierarchy (in thousands):

	April 30, 2020								January 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	154,531	$	—	$	—	$	154,531	$	92,272	$	—	$	—	$	92,272
Commercial paper	—		18,080		—		18,080		—		17,667		—		17,667
U.S. government and agency securities	—		10,000		—		10,000		—		17,978		—		17,978
Total cash equivalents	154,531		28,080		—		182,611		92,272		35,645		—		127,917
Marketable securities:
Corporate notes and bonds	—		4,777		—		4,777		—		5,675		—		5,675
Commercial paper	—		6,750		—		6,750		—		13,712		—		13,712
U.S. government and agency securities	—		51,305		—		51,305		—		97,446		—		97,446
Total marketable securities	—		62,832		—		62,832		—		116,833		—		116,833
Derivative assets	—		1,648		—		1,648		—		683		—		683
Total assets measured at fair value	$	154,531	$	92,560	$	—	$	247,091	$	92,272	$	153,161	$	—	$	245,433
Liabilities:
Derivative liabilities	$	—	$	1,353	$	—	$	1,353	$	—	$	342	$	—	$	342
Total liabilities measured at fair value	$	—	$	1,353	$	—	$	1,353	$	—	$	342	$	—	$	342