Balance Sheet Components (Tables)

12 Months Ended

Jan. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure

Prepaid expenses and other current assets consisted of the following:

	As of January 31,
	2020		2019
	(in thousands)
Restricted cash from international employee stock sales	$	48,547	$	—
Prepaid expenses	22,320		9,263
Other	4,141		989
Prepaid expenses and other current assets	$	75,008	$	10,252

Schedule of Property and Equipment

Property and equipment consisted of the following:

	As of January 31,
	2020		2019
	(in thousands)
Computer and office equipment	$	51,375	$	32,515
Leasehold improvements	18,215		7,660
Software	10,855		6,575
Furniture and fixtures	3,949		1,993
Property and equipment, gross	84,394		48,743
Less: accumulated depreciation and amortization	(27,256)		(11,468)
Property and equipment, net	$	57,138	$	37,275

Schedule of Other Assets, Noncurrent

Other assets, noncurrent consisted of the following:

	As of January 31,
	2020		2019
	(in thousands)
Accounts receivable, noncurrent	$	9,011	$	3,264
Equity investment	3,000		—
Other	10,321		8,244
Other assets, noncurrent	$	22,332	$	11,508

Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

	As of January 31,
	2020		2019
	(in thousands)
Liabilities to employees and tax authorities from international employee stock sales	$	49,287	$	—
Accrued compensation and benefits	36,732		12,004
Accrued expenses	17,475		13,596
Operating lease liabilities, current	7,675		—
Other	11,523		6,656
Accrued expenses and other current liabilities	$	122,692	$	32,256

Schedule of Other Liabilities, Noncurrent

Other liabilities, noncurrent consisted of the following:

	As of January 31,
	2020		2019
	(in thousands)
Sales and other tax liabilities	$	33,957	$	20,817
Convertible promissory notes, net of debt discount	—		14,858
Other	2,329		3,785
Other liabilities, noncurrent	$	36,286	$	39,460