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SECURITIES - NARRATIVE (Details) | 3 Months Ended |
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Sep. 30, 2022 USD ($) security | Sep. 30, 2021 security | Jun. 30, 2022 USD ($) security
Debt Securities, Available-for-sale [Line Items] |  |  |
Available-for-sale | $ 257,634,000 |  | $ 262,518,000
Number of available-for-sale securities in continuous loss position for a period of more than 12 months | security | 16 |  | 14
Number of available-for-sale securities in continuous loss position for a period of less than 12 months | security | 37 |  | 25
Number of available-for-sale securities sold | security |  | 0 |
Asset Pledged as Collateral |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Available-for-sale securities pledged as collateral | $ 1,100,000 |  | $ 1,200,000
Non-agency |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Available-for-sale | $ 184,012,000 |  | $ 186,814,000
Number of non-agency RMBS | security | 1 |  |
Carrying amount of securities with cumulative credit losses | $ 1,900,000 |  |
Cumulative credit losses | 800,000 |  |
Credit losses recognized in earnings | $ 0 |  |
RMBS, Super Senior Securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Available-for-sale, number of securities | security | 17 |  |

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