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Income Taxes - Temporary Differences Related to Deferred Taxes (Detail) - USD ($) $ in Thousands | Jun. 30, 2023 | Jun. 30, 2022
--- | --- | ---
Deferred tax assets |  |
Allowance for credit losses (ACL) on loans | $ 2,033 | $ 2,007
ACL on off-balance sheet credit exposures | 62 | 0
Accrued retirement liability | 693 | 714
Deferred compensation | 612 | 557
Deferred loan fees | 126 | 115
Postretirement health plan | 0 | 33
Unrealized losses on available-for-sale securities | 8,658 | 6,883
Accrued vacation | 56 | 53
MPF recourse liability | 36 | 50
Deferred revenue Mastercard | 12 | 16
Stock options—Directors | 54 | 54
Restricted stock | 61 | 0
Accrued professional services | 27 | 18
Other | 28 | 22
Total deferred tax assets | 12,458 | 10,522
Deferred tax liabilities |  |
Depreciation | (698) | (682)
Mortgage servicing rights | (423) | (417)
Deferred loan expense | (204) | (185)
Restricted stock | 0 | (32)
Prepaid expenses | (69) | (40)
Postretirement health plan | (27) | 0
Total deferred tax liabilities | (1,421) | (1,356)
Net deferred tax asset | $ 11,037 | $ 9,166

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