Financial Instruments and Fair Value (Tables)

3 Months Ended

Apr. 30, 2019

Investments All Other Investments [Abstract]

Schedule of Available-for-Sale Securities at Fair Value

All of the investments are classified as available-for-sale securities and reported at fair value in the condensed consolidated balance sheets as follows:

	As of April 30, 2019
	AmortizedCost		UnrealizedGains		Unrealized Losses			Fair Value
	(in thousands)
Money market funds	$	10,501	$	—	$	—		$	10,501
Certificates of Deposit		1,006		—		—			1,006
Commercial paper		67,998		—		—			67,998
Corporate bonds		90,877		340		(9	)		91,208
Asset-backed securities		15,501		24		—			15,525
U.S. government securities		20,518		5		(9	)		20,514
Total cash equivalents and marketable debt securities	$	206,401	$	369	$	(18	)	$	206,752
	As of January 31, 2019
	AmortizedCost		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Money market funds	$	8,914	$	—	$	—		$	8,914
Certificates of Deposit		7,012		—		—			7,012
Commercial paper		68,233		—		—			68,233
Corporate bonds		87,250		170		(60	)		87,360
Asset-backed securities		11,607		3		(6	)		11,604
U.S. government securities		21,993		3		(13	)		21,983
Total cash equivalents and marketable debt securities	$	205,009	$	176	$	(79	)	$	205,106

Schedule of Cash Equivalents and Marketable Debt Securities

	As of
	April 30, 2019		January31,2019
	(in thousands)
Included in cash equivalents	$	45,020	$	40,245
Included in marketable debt securities		161,732		164,861
Total cash equivalents and marketable debt securities	$	206,752	$	205,106

Summary of Contractual Maturities of Investments

The contractual maturities of the investments at April 30, 2019 and January 31, 2019 were as follows:

	As of
	April 30, 2019		January31,2019
	(in thousands)
Due within one year	$	155,140	$	151,991
Due within one to three years		51,612		53,115
Total cash equivalents and marketable debt securities	$	206,752	$	205,106

Schedule of Fair Value of Financial Instruments Measured on Recurring Basis

The following table presents the fair value of the financial instruments measured on a recurring basis as of April 30, 2019 and January 31, 2019:

	As of April 30, 2019
	Total		Level 1		Level 2		Level 3
	(in thousands)
Money market funds	$	10,501	$	10,501	$	—	$	—
Certificates of Deposit		1,006		1,006		—		—
Commercial paper		67,998		—		67,998		—
Corporate bonds		91,208		—		91,208		—
Asset-backed securities		15,525		—		15,525		—
U.S. government securities		20,514		—		20,514		—
Total cash equivalents and marketable debt securities	$	206,752	$	11,507	$	195,245	$	—
	As of January 31, 2019
	Total		Level 1		Level 2		Level 3
	(in thousands)
Money market funds	$	8,914	$	8,914	$	—	$	—
Certificates of Deposit		7,012		7,012		—		—
Commercial paper		68,233		—		68,233		—
Corporate bonds		87,360		—		87,360		—
Asset-backed securities		11,604		—		11,604		—
U.S. government securities		21,983		—		21,983		—
Total cash equivalents and marketable debt securities	$	205,106	$	15,926	$	189,180	$	—