Related Party Transactions (Related Party Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Related party transactions:
Management fee revenue	$ 9,582	$ 9,495
Blackwater [Member]
Related party transactions:
Management fee revenue	7,778	7,715
Mercury [Member]
Related party transactions:
Management fee revenue	$ 1,804	$ 1,780

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