Number of wholly owned bank subsidiaries.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Amount of unrecognized tax benefits.

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Summary of Significant Accounting Policies (Details)		12 Months Ended
Summary of Significant Accounting Policies (Details)	Jul. 27, 2023 $ / shares	Jun. 30, 2023 USD ($) subsidiary $ / shares	Jun. 30, 2022 USD ($) $ / shares	Jun. 30, 2021 USD ($) $ / shares	Jun. 30, 2020 USD ($)
Subsequent Event [Line Items]
Number of wholly owned bank subsidiaries \| subsidiary		2
Dividends declared per common share (in dollars per share) \| $ / shares		$ 0.44	$ 0.43	$ 0.35
Goodwill, impairment loss		$ 0	$ 0	$ 0
Finite-lived intangible assets, net		2,457,000	3,020,000	$ 3,705,000	$ 3,995,000
Unrecognized income tax benefits		$ 0	$ 0
Subsequent Event
Subsequent Event [Line Items]
Dividends declared per common share (in dollars per share) \| $ / shares	$ 0.11