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Fair Value Measurements - Fair value of Assets Measured on a Recurring Basis and Nonrecurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Jun. 30, 2023
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments (Assets) | $ 20 |
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Prepaid Expense and Other Assets |
Derivative financial instruments (Liabilities) | $ 15 |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Accounts Payable and Other Accrued Liabilities |
Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments (Assets) | $ 20 |
Derivative financial instruments (Liabilities) | 15 |
Fair Value, Nonrecurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreclosed and repossessed assets held for sale | 759 | $ 1,472
Collateral dependent loans | 12,994 |
Fair Value, Inputs, Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments (Assets) | 20 |
Derivative financial instruments (Liabilities) | 15 |
Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments (Assets) | 20 |
Derivative financial instruments (Liabilities) | 15 |
Fair Value, Inputs, Level 3 | Fair Value, Nonrecurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreclosed and repossessed assets held for sale | 759 | 1,472
Collateral dependent loans | 12,994 |
Obligations of states and political subdivisions | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 27,753 | 42,568
Obligations of states and political subdivisions | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 27,753 | 42,568
Corporate Obligations | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 31,277 | 32,538
Corporate Obligations | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 31,277 | 32,538
Asset backed securities | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 58,679 | 68,626
Asset backed securities | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 58,679 | 68,626
Other securities | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 5,333 | 3,570
Other securities | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 5,333 | 3,570
MBS and CMOs | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 304,861 | 270,252
MBS and CMOs | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 304,861 | $ 270,252
Mortgage servicing assets | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 2,448 |
Mortgage servicing assets | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | $ 2,448 |

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