Credit risk related to accounts receivables (Tables)

6 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Schedule of Movements in the Allowance for Doubtful Debts

The movements in the allowance for doubtful accounts are as follows (in thousands):

	Six Months Ended September 30,
	2020		2021
Balance at April 1	$	3,602	$	5,575
Bad debt provision	2,273		1,563
Write-offs, net of recoveries	(1,748)		(1,036)
Foreign currency translation differences	153		(66)
Balance at September 30	$	4,280	$	6,036