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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, 2023 | Jun. 30, 2022
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Nonrecurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreclosed and repossessed assets held for sale | $ 1,472 |
Fair Value, Inputs, Level 3 | Nonrecurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreclosed and repossessed assets held for sale | 1,472 |
US States and Political Subdivisions Debt Securities [Member] | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 42,568 | $ 44,479
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 42,568 | 44,479
Corporate Segment [Member] | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 32,538 | 19,887
Corporate Segment [Member] | Fair Value, Inputs, Level 2 | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 32,538 | 19,887
Asset backed securities | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 68,626 |
Asset backed securities | Fair Value, Inputs, Level 2 | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 68,626 |
Other Debt Obligations [Member] | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 3,570 | 443
Other Debt Obligations [Member] | Fair Value, Inputs, Level 2 | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 3,570 | 443
Total MBS and CMOs | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | 270,252 | 170,585
Total MBS and CMOs | Fair Value, Inputs, Level 2 | Recurring Measurements |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale Securities | $ 270,252 | $ 170,585

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