Transactions with Controlled Companies - Pacific World Corporation (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Sep. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest Income		$ 671,109	$ 770,312	$ 760,785
Structuring Fee		12,348	27,666	18,131
Total Other Income		28,949	79,397	83,023
Interest Receivable		25,144	26,936
Reportable Legal Entities \| Subsidiaries \| Pacific World Corporation
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest Income		9,865	10,164	8,052
Structuring Fee		286	812	105
Total Other Income		286	812	105
Reimbursement of Legal, Tax, etc		38	5	0
Additions		14,275	32,500	11,000
Interest Income Capitalized as PIK		6,317	9,021	7,479
Repayment of Loan Receivable		4,875	0	$ 0
Interest Receivable		27	79
Other Receivables		$ 155	$ 155
Reportable Legal Entities \| Subsidiaries \| Pacific World Corporation
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Preferred equity ownership interest		100.00%	100.00%
Ownership interest	99.98%	99.99%	99.98%

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