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Accumulated Other Comprehensive Income (AOCI) - Reclassification out of AOCI (Details) - Reclassification out of Accumulated Other Comprehensive Income. - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Amortization of defined benefit pension items: | $ (11) | $ 6
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Compensation and benefits | Compensation and benefits
Total reclassified amount before tax | $ (11) | $ 96
Available-for-sale Securities, Gross Unrealized Gain |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Unrealized gain on securities available-for-sale |  | 90
Provision for income tax |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Tax benefit | (2) | 20
Net Income |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Total reclassification out of AOCI | $ (9) | $ 76

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