Revenue - Allowance for Doubtful Accounts (Details) $ in Thousands	12 Months Ended
	Jan. 31, 2022 USD ($)
Revenue from Contract with Customer [Abstract]
Balance at January 31, 2021	$ 6,024
Provision	4,749
Recoveries/write-offs	(5,807)
Balance at January 31, 2022	$ 4,966