Summary of Business and Significant Accounting Policies - Accounts Receivable Allowance For Credit Loss Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance as of beginning of year	$ 25,916	$ 24,900
Provision for credit losses	22,198	47,267
Write-offs	(30,852)	(46,251)
Balance as of end of year	$ 17,262	$ 25,916