Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 31, 2022

Accounting Policies [Abstract]

Summary of Reconciliation of Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows (in thousands):

	As of January 31,
	2022		2021		2020
Cash and cash equivalents	$	1,355,828	$	270,793	$	110,519
Restricted cash included in other assets, non-current		1,783		1,783		1,780
Cash, cash equivalents, and restricted cash	$	1,357,611	$	272,576	$	112,299

Summary of Allowance for Doubtful Accounts

The allowance for credit losses reflects the Company’s best estimate of probable losses inherent in the Company’s receivables portfolio. Activity related to the Company’s allowance for doubtful accounts was as follows (in thousands):

	Year Ended January 31,
	2022			2021			2020
Beginning balance	$	36		$	6		$	68
Bad debt expense		14			129			(62	)
Write-offs		(30	)		(99	)		-
Ending balance	$	20		$	36		$	6