Related Party Transactions - Schedule of Interest Income and Expense (Details) - Affiliated entities - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Related Party Transaction [Line Items]
Interest income	$ 161	$ 2,004	$ 665	$ 6,825
Interest expense	100	59	273	152
Interest income from secured loans receivables
Related Party Transaction [Line Items]
Interest income	0	17	0	192
Interest income from finance products and repurchase arrangements
Related Party Transaction [Line Items]
Interest income	161	1,987	665	6,633
Interest expense from note payables
Related Party Transaction [Line Items]
Interest expense	85	59	258	152
Interest expense from precious metals leases
Related Party Transaction [Line Items]
Interest expense	$ 15	$ 0	$ 15	$ 0

Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details