Transactions with Controlled Companies - InterDent, Inc. (Details) - USD ($) $ in Thousands	12 Months Ended
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
Interest Receivable	25,144	26,936
Reportable Legal Entities \| Subsidiaries \| InterDent, Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest Income	39,207	36,946	32,523
Additions	17,000	0	0
Interest Income Capitalized as PIK	15,479	23,249	20,681
Repayment of Loan Receivable	0	0	950
Interest Receivable	116	318
Other Receivables	55	1
Reportable Legal Entities \| Subsidiaries \| InterDent, Inc. \| Prospect Administration
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Managerial Assistance	1,463	1,463	1,463
Reimbursement of Legal, Tax, etc	$ 15	$ 23	$ 0
Reportable Legal Entities \| Subsidiaries \| InterDent, Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership interest	100.00%

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