Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Accounts and Notes Receivable, Net [Abstract]
Accrued expenses	$ 4,815	$ 4,537
Statutory payments	1,449	1,757
Provision for taxation	8,136	4,324
Leave encashment	3,150	3,393
Derivative financial instruments	136	127
Employee benefits	12,029	7,059
Others	1,247	835
Accrued expenses and other liabilities	$ 30,962	$ 22,032