Significant Accounting Policies (Other) (Details)	12 Months Ended
Mar. 31, 2022 USD ($) DerivativeInstrument	Mar. 31, 2021 USD ($) DerivativeInstrument	Mar. 31, 2020 USD ($) DerivativeInstrument
Other comprehensive income/(loss):
Other comprehensive income/(loss)	$ 0	$ 0	$ 0
Foreign currency translation
Number of foreign currency derivative instruments held \| DerivativeInstrument	0	0	0
Trade receivables (net):
Provision for doubtful accounts	$ 0	$ 0

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Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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