Fair Value of Financial Instruments - Summary of Valuation Techniques and Significant Unobservable Inputs in the Fair Value Measurement of Significant Level 2 Financial Instruments (Details) - Level 2 - Unsecured Senior Notes	12 Months Ended
	Mar. 31, 2024
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Valuation techniques	Senior note pricing model
Key inputs	Quoted prices in over-the-counter broker market