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Benefit Plans - Schedule of Fair Value Measurements of ABRIP's Assets (Details) - Atlas Bank Retirement Income Plan ("ABRIP") - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Prudential Guaranteed Deposit Fund	$ 2,717	$ 2,907	$ 3,220
Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Prudential Guaranteed Deposit Fund	0	0
Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Prudential Guaranteed Deposit Fund	2,717	2,907
Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Prudential Guaranteed Deposit Fund	$ 0	$ 0

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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