Revenue - Revenues disaggregated (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2022	May 31, 2021
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 85,528	$ 59,527
Access Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	68,125	56,205
Utilization-Based Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 17,403	$ 3,322