Summary of Business and Significant Accounting Policies - Accounts Receivable Allowance For Credit Loss Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance as of beginning of year	$ 24,900	$ 17,000
Provision for credit losses	47,267	45,211
Write-offs	(46,251)	(37,311)
Balance as of end of year	$ 25,916	$ 24,900