Revenue Recognition - Payment Terms (Details)	3 Months Ended
	Apr. 30, 2021
Minimum
Disaggregation of Revenue [Line Items]
Subscription payment terms (in days)	30 days
EBA payment terms (in days)	30 days
Maximum
Disaggregation of Revenue [Line Items]
Subscription payment terms (in days)	45 days
EBA payment terms (in days)	60 days