Revenue Recognition (Tables)

12 Months Ended

Jan. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue by Region

The following table summarizes revenue by region based on the billing address of customers:

		Year Ended January 31,
		2021				2020				2019
		Amount		Percentage of Revenue		Amount		Percentage of Revenue		Amount		Percentage of Revenue
	(in thousands, except percentages)
Americas		$	1,831,694	69	%	$	500,622	81	%	$	270,132	82	%
APAC		332,844		13		51,152		8		27,720		8
EMEA		486,830		18		70,884		11		32,665		10
Total		$	2,651,368	100	%	$	622,658	100	%	$	330,517	100	%

Deferred Contract Acquisition Costs

The following table represents a rollforward of deferred contract acquisition costs:

	Year Ended January 31,
	2021		2020
	(in thousands)
Beginning balance	$	91,130	$	55,516
Additions to deferred contract acquisition costs	307,068		72,715
Amortization of deferred contract acquisition costs	(104,306)		(37,101)
Ending balance	$	293,892	$	91,130
Deferred contract acquisition costs, current (to be amortized in next 12 months)	$	136,630	$	44,885
Deferred contract acquisition costs, noncurrent	157,262		46,245
Total deferred contract acquisition costs	$	293,892	$	91,130