Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 31, 2021

Accounting Policies [Abstract]

Schedule of Changes in Company's Allowance for Doubtful Accounts

Changes in the Company's allowance for doubtful accounts for the years ended January 31, 2019, 2020 and 2021 were as follows (in thousands):

Balance as of January 31, 2018	$	2,919
Additions	5,033
Write-offs	(4,565)
Balance as of January 31, 2019	3,387
Additions	5,508
Write-offs	(6,731)
Balance as of January 31, 2020	2,164
Additions	7,362
Write-offs	(5,746)
Balance as of January 31, 2021	$	3,780

Schedule of Estimated Useful Lives of Property, Plant and Equipment

The estimated useful lives of property and equipment are as follows:

Computer equipment and software	2-3 years
Furniture, vehicles and office equipment	3 years
Leasehold improvements	Shorter of remaining lease term or estimated useful life

Property and equipment, net consisted of the following (in thousands):

	As of January 31,
	2020		2021
Capitalized internal-use software development costs	$	24,305	$	29,816
Computer equipment and software	4,714		5,097
Leasehold improvements	1,155		1,373
Furniture, vehicles and office equipment	836		842
	31,010		37,128
Less accumulated depreciation and amortization	(18,194)		(22,383)
	$	12,816	$	14,745