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Investment Securities (Tables) | 12 Months Ended
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Jun. 30, 2024
Investment Securities |
Schedule of available-for-sale securities reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  | ​ |  | Gross |  | Gross |  | Estimated |  | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair | ​ | Carrying
June 30, 2024 | ​ | Cost | ​ | Gains | ​ | (Losses) | ​ | Value | ​ | Value
(In Thousands) |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Held to maturity |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
U.S. government sponsored enterprise MBS(1) | ​ | $ | 125,883 | ​ | $ | 76 | ​ | $ | (15,481) | ​ | $ | 110,478 | ​ | $ | 125,883
U.S. government sponsored enterprise CMO(2) | ​ | ​ | 3,713 | ​ | ​ | — | ​ | ​ | (253) | ​ | ​ | 3,460 | ​ | ​ | 3,713
U.S. SBA securities(3) | ​ |  | 455 | ​ |  | — | ​ |  | — | ​ |  | 455 | ​ |  | 455
Total investment securities - held to maturity | ​ | ​ | 130,051 | ​ | ​ | 76 | ​ | ​ | (15,734) | ​ | ​ | 114,393 | ​ | ​ | 130,051
​ | ​ |  |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
Available for sale | ​ |  |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
U.S. government agency MBS(1) | ​ | ​ | 1,222 | ​ | ​ | — | ​ | ​ | (14) | ​ | ​ | 1,208 | ​ | ​ | 1,208
U.S. government sponsored enterprise MBS(1) | ​ |  | 548 | ​ | ​ | 5 | ​ | ​ | — | ​ | ​ | 553 | ​ | ​ | 553
Private issue CMO(2) | ​ |  | 91 | ​ | ​ | — | ​ | ​ | (3) | ​ | ​ | 88 | ​ | ​ | 88
Total investment securities - available for sale | ​ | ​ | 1,861 | ​ | ​ | 5 | ​ | ​ | (17) | ​ | ​ | 1,849 | ​ | ​ | 1,849
Total investment securities | ​ | $ | 131,912 | ​ | $ | 81 | ​ | $ | (15,751) | ​ | $ | 116,242 | ​ | $ | 131,900
​
(1) | Mortgage-backed securities (“MBS”).
(2) | Collateralized mortgage obligations (“CMO”).
(3) | Small Business Administration ("SBA").
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  | ​ |  | Gross |  | Gross |  | Estimated |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair | ​ | Carrying
June 30, 2023 | ​ | Cost | ​ | Gains | ​ | (Losses) | ​ | Value | ​ | Value
(In Thousands) |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Held to maturity |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
U.S. government sponsored enterprise MBS | ​ | $ | 149,803 | ​ | $ | — | ​ | $ | (18,459) | ​ | $ | 131,344 | ​ | $ | 149,803
U.S. government sponsored enterprise CMO | ​ | ​ | 3,883 | ​ | ​ | — | ​ | ​ | (336) | ​ | ​ | 3,547 | ​ | ​ | 3,883
U.S. SBA securities | ​ |  | 651 | ​ |  | — | ​ |  | (1) | ​ |  | 650 | ​ |  | 651
Total investment securities - held to maturity | ​ | ​ | 154,337 | ​ | ​ | — | ​ | ​ | (18,796) | ​ | ​ | 135,541 | ​ | ​ | 154,337
​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
Available for sale | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
U.S. government agency MBS | ​ | ​ | 1,417 | ​ | ​ | — | ​ | ​ | (47) | ​ | ​ | 1,370 | ​ | ​ | 1,370
U.S. government sponsored enterprise MBS | ​ | ​ | 697 | ​ | ​ | — | ​ | ​ | (14) | ​ | ​ | 683 | ​ | ​ | 683
Private issue CMO | ​ | ​ | 103 | ​ | ​ | — | ​ | ​ | (1) | ​ | ​ | 102 | ​ | ​ | 102
Total investment securities - available for sale | ​ | ​ | 2,217 | ​ | ​ | — | ​ | ​ | (62) | ​ | ​ | 2,155 | ​ | ​ | 2,155
Total investment securities | ​ | $ | 156,554 | ​ | $ | — | ​ | $ | (18,858) | ​ | $ | 137,696 | ​ | $ | 156,492
Schedule of investments with unrealized loss position | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
As of June 30, 2024 | ​ | Unrealized Holding Losses | ​ | Unrealized Holding Losses | ​ | Unrealized Holding Losses
(In Thousands) | ​ | Less Than 12 Months | ​ | 12 Months or More | ​ | Total
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
Description of Securities |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
Held to maturity | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government sponsored enterprise MBS | ​ | $ | — | ​ | $ | — | ​ | $ | 105,530 | ​ | $ | 15,481 | ​ | $ | 105,530 | ​ | $ | 15,481
U.S. government sponsored enterprise CMO | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 3,460 | ​ | ​ | 253 | ​ | ​ | 3,460 | ​ | ​ | 253
U.S. SBA securities | ​ | ​ | 455 | ​ | $ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 455 | ​ | ​ | —
Total investment securities - held to maturity | ​ | ​ | 455 | ​ | ​ | — | ​ | ​ | 108,990 | ​ | ​ | 15,734 | ​ | ​ | 109,445 | ​ | ​ | 15,734
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available for sale | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S government agency MBS | ​ | ​ | 91 | ​ | ​ | — | ​ | ​ | 1,117 | ​ | ​ | 14 | ​ | ​ | 1,208 | ​ | ​ | 14
U.S. government sponsored enterprise MBS | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 8 | ​ | ​ | — | ​ | ​ | 8 | ​ | ​ | —
Private issue CMO | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 88 | ​ | ​ | 3 | ​ | ​ | 88 | ​ | ​ | 3
Total investment securities - available for sale | ​ | ​ | 91 | ​ | ​ | — | ​ | ​ | 1,213 | ​ | ​ | 17 | ​ | ​ | 1,304 | ​ | ​ | 17
Total investment securities | ​ | $ | 546 | ​ | $ | — | ​ | $ | 110,203 | ​ | $ | 15,751 | ​ | $ | 110,749 | ​ | $ | 15,751
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
As of June 30, 2023 | ​ | Unrealized Holding Losses | ​ | Unrealized Holding Losses | ​ | Unrealized Holding Losses
(In Thousands) | ​ | Less Than 12 Months | ​ | 12 Months or More | ​ | Total
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
Description of Securities |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
Held to maturity | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government sponsored enterprise MBS | ​ | $ | 10,839 | ​ | $ | 253 | ​ | $ | 120,506 | ​ | $ | 18,206 | ​ | $ | 131,345 | ​ | $ | 18,459
U.S. government sponsored enterprise CMO | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 3,547 | ​ | ​ | 336 | ​ | ​ | 3,547 | ​ | ​ | 336
U.S. SBA securities | ​ | ​ | 650 | ​ | ​ | 1 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 650 | ​ | ​ | 1
Total investment securities - held to maturity | ​ | ​ | 11,489 | ​ | ​ | 254 | ​ | ​ | 124,053 | ​ | ​ | 18,542 | ​ | ​ | 135,542 | ​ | ​ | 18,796
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available for sale | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S government agency MBS | ​ | ​ | 696 | ​ | ​ | 20 | ​ | ​ | 673 | ​ | ​ | 27 | ​ | ​ | 1,369 | ​ | ​ | 47
U.S. government sponsored enterprise MBS | ​ | ​ | 87 | ​ | ​ | 2 | ​ | ​ | 558 | ​ | ​ | 12 | ​ | ​ | 645 | ​ | ​ | 14
Private issue CMO | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 102 | ​ | ​ | 1 | ​ | ​ | 102 | ​ | ​ | 1
Total investment securities - available for sale | ​ | ​ | 783 | ​ | ​ | 22 | ​ | ​ | 1,333 | ​ | ​ | 40 | ​ | ​ | 2,116 | ​ | ​ | 62
Total investment securities | ​ | $ | 12,272 | ​ | $ | 276 | ​ | $ | 125,386 | ​ | $ | 18,582 | ​ | $ | 137,658 | ​ | $ | 18,858
Schedule of investments classified by contractual maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2024 | ​ | June 30, 2023
​ |  | ​ | ​ |  | Estimated |  | ​ | ​ |  | Estimated
​ | ​ | Amortized | ​ | Fair | ​ | Amortized | ​ | Fair
(In Thousands) | ​ | Cost | ​ | Value | ​ | Cost | ​ | Value
Held to maturity |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Due in one year or less | ​ | $ | 349 | ​ | $ | 343 | ​ | $ | 303 | ​ | $ | 300
Due after one through five years | ​ |  | 4,328 | ​ |  | 4,167 | ​ |  | 7,686 | ​ |  | 7,365
Due after five through ten years | ​ |  | 49,331 | ​ |  | 44,830 | ​ |  | 61,043 | ​ |  | 54,686
Due after ten years | ​ |  | 76,043 | ​ |  | 65,053 | ​ |  | 85,305 | ​ |  | 73,190
Total investment securities - held to maturity | ​ | ​ | 130,051 | ​ | ​ | 114,393 | ​ | ​ | 154,337 | ​ | ​ | 135,541
​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
Available for sale | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
Due in one year or less | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Due after one through five years | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Due after five through ten years | ​ | ​ | 1,055 | ​ | ​ | 1,053 | ​ | ​ | 590 | ​ | ​ | 580
Due after ten years | ​ | ​ | 806 | ​ | ​ | 796 | ​ | ​ | 1,627 | ​ | ​ | 1,575
Total investment securities - available for sale | ​ | ​ | 1,861 | ​ | ​ | 1,849 | ​ | ​ | 2,217 | ​ | ​ | 2,155
Total investment securities | ​ | $ | 131,912 | ​ | $ | 116,242 | ​ | $ | 156,554 | ​ | $ | 137,696

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