Related Party Transactions - (Related Party Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Related Party Revenue [Abstract]
Management fees revenue	$ 37,004	$ 37,073	$ 35,194
Blackwater [Member]
Related Party Revenue [Abstract]
Management fees revenue	29,702	29,825	28,546
Mercury [Member]
Related Party Revenue [Abstract]
Management fees revenue	$ 7,302	$ 7,248	$ 6,648

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details