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Securities - Securities Held to Maturity (Details) - USD ($) | Jun. 30, 2024 | Jun. 30, 2023
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | $ 135,742,000 | $ 146,465,000
Gross Unrecognized Gains | 0 | 0
Gross Unrecognized Losses | 16,464,000 | 15,296,000
Allowance for Credit Losses | 0 | 0
Investment securities held to maturity | 119,278,000 | 131,169,000
Debt securities: |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 12,913,000 | 16,051,000
Gross Unrecognized Gains | 0 | 0
Gross Unrecognized Losses | 277,000 | 321,000
Allowance for Credit Losses | 0 | 0
Investment securities held to maturity | 12,636,000 | 15,730,000
Obligations of state and political subdivisions |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 12,913,000 | 16,051,000
Gross Unrecognized Gains | 0 | 0
Gross Unrecognized Losses | 277,000 | 321,000
Allowance for Credit Losses | 0 | 0
Investment securities held to maturity | 12,636,000 | 15,730,000
Mortgage-backed securities: |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 122,829,000 | 130,414,000
Gross Unrecognized Gains | 0 | 0
Gross Unrecognized Losses | 16,187,000 | 14,975,000
Allowance for Credit Losses | 0 | 0
Investment securities held to maturity | 106,642,000 | 115,439,000
Residential pass-through securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 110,614,000 | 118,166,000
Gross Unrecognized Gains | 0 | 0
Gross Unrecognized Losses | 14,134,000 | 12,736,000
Allowance for Credit Losses | 0 | 0
Investment securities held to maturity | 96,480,000 | 105,430,000
Commercial pass-through securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 12,215,000 | 12,248,000
Gross Unrecognized Gains | 0 | 0
Gross Unrecognized Losses | 2,053,000 | 2,239,000
Allowance for Credit Losses | 0 | 0
Investment securities held to maturity | $ 10,162,000 | $ 10,009,000

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