Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Cash Flow, Lessee [Abstract]
Cash paid for amounts included in the measurement of lease liabilities - operating cash flows used by operating leases	$ 14,145	$ 15,764	$ 13,607
Right-of-use assets obtained in exchange for new operating leases - noncash	$ 3,964	$ 10,444	$ 9,967