Amount of expense for investment management fee, including, but not limited to, expense in connection with research, selection, supervision, and custody of investment.

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Business and Organization - Organization (Details) - Star Holdings - SpinCo Manager - Affiliated entity - USD ($) $ in Millions				12 Months Ended
	Apr. 01, 2027	Mar. 28, 2025	Mar. 31, 2023	Mar. 31, 2027	Mar. 30, 2027	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Management fees
Management fees						$ 10.0	$ 15.0	$ 25.0
Annual management fee - Year 4		$ 7.5	$ 5.0	$ 7.5	$ 7.5
Annual management fee percent of gross book value, year five and thereafter	2.00%