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Summary of Significant Accounting Policies - Intangible Assets and Goodwill (Details) - USD ($)	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Impairment charge on intangibles	$ 0	$ 0	$ 0
Goodwill impairment	0	0	0
Impairment charges	$ 0	$ 0	$ 0
Customer contracts and related customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life (in years)	5 years
Customer contracts and related customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life (in years)	14 years
Software | Minimum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life (in years)	1 year
Software | Maximum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life (in years)	10 years

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