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Transactions with Controlled Companies - MITY, Inc. (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest Income	$ 174,318	$ 146,271
Interest Receivable	18,781		$ 12,925
Other Receivables	$ 1,309		745
MITY Holdings of Delaware Inc. \| MITY, Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership interest	100.00%
MITY, Inc. \| MITY-Lite, Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership interest	100.00%
MITY, Inc. \| Broda USA, Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership interest	100.00%
MITY, Inc. \| Broda Enterprises ULC
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership interest	100.00%
Reportable Legal Entities \| Subsidiaries \| MITY Holdings of Delaware Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership interest	100.00%
Reportable Legal Entities \| Subsidiaries \| MITY FSC, Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership interest	100.00%
Reportable Legal Entities \| Subsidiaries \| MITY, Inc.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest Income	$ 1,897	1,757
Interest Income Capitalized as PIK	0	1,607
Repayment of Loan Receivable	573	0
Interest Receivable	27		81
Other Receivables	8		$ 6
Reportable Legal Entities \| Subsidiaries \| MITY, Inc. \| Prospect Administration
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Managerial Assistance	$ 75	$ 0