Organization and Summary of Significant Accounting Policies - Wealth Management Assets and Fees (Details) - USD ($) $ in Millions	Dec. 31, 2023	Jun. 30, 2023
Organization and Summary of Significant Accounting Policies
Fiduciary assets	$ 107.2	$ 102.0
Investment management assets	$ 475.1	$ 464.2

The carrying amount of assets an investment adviser manages on behalf of investors.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant