REVENUE FROM CONTRACTS WITH CUSTOMERS: Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 140,604	$ 119,753	$ 386,932	$ 323,851
Subscription
Disaggregation of Revenue [Line Items]
Revenues			313,046	262,130
Marketplace and Other
Disaggregation of Revenue [Line Items]
Revenues			73,886	61,721
United States
Disaggregation of Revenue [Line Items]
Revenues			363,446	303,893
Europe
Disaggregation of Revenue [Line Items]
Revenues			18,507	16,370
Asia-Pacific ("APAC")
Disaggregation of Revenue [Line Items]
Revenues			$ 4,979	$ 3,588