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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |  |
Income before income taxes | $ 1,984 | $ 25,570 | $ 23,774 | $ 52,557
Statutory federal tax rate | 21.00% | 21.00% | 21.00% | 21.00%
Federal income tax expense at statutory rate | $ 417 | $ 5,370 | $ 4,993 | $ 11,037
(Reduction) increase in income taxes resulting from: |  |  |  |
Tax exempt interest | (46) | (68) | (105) | (138)
State tax, net of federal tax effect | (124) | 1,990 | 1,296 | 4,118
Incentive stock option compensation expense | 3 | 16 | 6 | 39
Income from bank-owned life insurance | (362) | (328) | (1,137) | (656)
Other items, net | 145 | (179) | 235 | (327)
Total income tax expense | $ 33 | $ 6,801 | $ 5,288 | $ 14,073
Effective income tax rate | 1.66% | 26.60% | 22.24% | 26.78%

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