Transactions with Controlled Companies - InterDent, Inc. (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest Income	$ 581,932	$ 671,109	$ 770,312
Interest Receivable	17,350	25,144
Reportable Legal Entities \| Subsidiaries \| InterDent, Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest Income	42,685	39,207	36,946
Additions	18,000	17,000	0
Interest Income Capitalized as PIK	17,916	15,479	23,249
Interest Receivable	124	116
Other Receivables	11	55
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	$ 21	$ 15	$ 23
Reportable Legal Entities \| Subsidiaries \| InterDent, Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership interest	100.00%

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