Other assets - Schedule of Deferred Commissions (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Capitalized Contract Cost [Line Items]
Amortization recognized from deferred commissions	$ (3,566)	$ (3,533)
Cost of Revenue
Capitalized Contract Cost [Line Items]
Amortization recognized from deferred commissions	(2,602)	(2,552)
Sales and Marketing
Capitalized Contract Cost [Line Items]
Amortization recognized from deferred commissions	$ (964)	$ (981)