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Investment Securities - Investments with Unrealized Loss Positions for Available for sale (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Jun. 30, 2024
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Schedule of Available-for-sale Securities [Line Items] |  |
Unrealized Holding Losses, Less Than 12 Months, Fair Value |  | $ 91
Unrealized Holding Losses, 12 Months or More, Fair Value | $ 405 | 1,213
Unrealized Holding Losses, 12 Months or More, Unrealized Losses | 3 | 17
Unrealized Holding Losses Total, Fair Value | 405 | 1,304
Unrealized Holding Losses Total, Unrealized Losses | 3 | 17
U.S. government agency MBS |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Unrealized Holding Losses, Less Than 12 Months, Fair Value |  | 91
Unrealized Holding Losses, 12 Months or More, Fair Value | 389 | 1,117
Unrealized Holding Losses, 12 Months or More, Unrealized Losses | 2 | 14
Unrealized Holding Losses Total, Fair Value | 389 | 1,208
Unrealized Holding Losses Total, Unrealized Losses | 2 | 14
U.S. government sponsored enterprise MBS |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Unrealized Holding Losses, 12 Months or More, Fair Value |  | 8
Unrealized Holding Losses Total, Fair Value |  | 8
Private issue CMO |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Unrealized Holding Losses, 12 Months or More, Fair Value | 16 | 88
Unrealized Holding Losses, 12 Months or More, Unrealized Losses | 1 | 3
Unrealized Holding Losses Total, Fair Value | 16 | 88
Unrealized Holding Losses Total, Unrealized Losses | $ 1 | $ 3

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