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Business and Organization - Merger Transactions (Details) - USD ($) $ in Millions			1 Months Ended	12 Months Ended
	Mar. 28, 2025	Mar. 31, 2023	Feb. 28, 2022	Mar. 31, 2025	Mar. 31, 2024
Caret Units
Merger
Number of shares to be sold under purchase commitment related to merger			28,571
Expected proceeds from sale of shares under purchase commitment related to merger			$ 5.0
Star Holdings | Spinco Manager | Affiliated entity
Merger
Management fees				$ 15.0	$ 25.0
Annual management fee - Year 3	$ 10.0
Annual management fee - Year 4	$ 7.5	$ 5.0
Annual management fee percent of gross book value, year five and thereafter	2.00%

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The expected proceeds from sale of shares under purchase commitment.

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