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Securities - Securities in Continuous Unrealized Loss Position (Details) $ in Thousands | Mar. 31, 2026 USD ($) Security | Jun. 30, 2025 USD ($) Security
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Securities available-for-sale: |  |
Less than 12 months, fair value | $ 18,728 | $ 241
Less than 12 months, unrealized losses | $ 351 | $ 1
Less than 12 months, number of securities (in Security) | Security | 9 | 1
More than 12 months, fair value | $ 120,470 | $ 133,287
More than 12 months, unrealized losses | $ 16,307 | $ 19,590
More than 12 months, number of securities (in Security) | Security | 61 | 73
Total, fair value | $ 139,198 | $ 133,528
Total, unrealized losses | $ 16,658 | $ 19,591
Total, number of securities (in Security) | Security | 70 | 74
Securities held-to-maturity: |  |
Less than 12 months, fair value | $ 107,180 | $ 36,752
Less than 12 months, unrealized losses | $ 1,555 | $ 535
Less than 12 months, number of securities (in Security) | Security | 232 | 161
More than 12 months, fair value | $ 375,702 | $ 413,533
More than 12 months, unrealized losses | $ 39,955 | $ 48,407
More than 12 months, number of securities (in Security) | Security | 1,367 | 1,604
Total, fair value | $ 482,882 | $ 450,285
Total, unrealized losses | $ 41,510 | $ 48,942
Total, number of securities (in Security) | Security | 1,599 | 1,765
Less than 12 months, fair value | $ 125,908 | $ 36,993
Less than 12 months, unrealized losses | $ 1,906 | $ 536
Less than 12 months, number of securities (in Security) | Security | 241 | 162
More than 12 months, fair value | $ 496,172 | $ 546,820
More than 12 months, unrealized losses | $ 56,262 | $ 67,997
More than 12 months, number of securities (in Security) | Security | 1,428 | 1,677
Total, fair value | $ 622,080 | $ 583,813
Total, unrealized losses | $ 58,168 | $ 68,533
Total, number of securities (in Security) | Security | 1,669 | 1,839
US Treasury Securities [Member] |  |
Securities available-for-sale: |  |
Less than 12 months, fair value | $ 245 | $ 241
Less than 12 months, unrealized losses | $ 0 | $ 1
Less than 12 months, number of securities (in Security) | Security | 1 | 1
More than 12 months, fair value | $ 5,544 | $ 10,212
More than 12 months, unrealized losses | $ 47 | $ 361
More than 12 months, number of securities (in Security) | Security | 3 | 5
Total, fair value | $ 5,789 | $ 10,453
Total, unrealized losses | $ 47 | $ 362
Total, number of securities (in Security) | Security | 4 | 6
Securities held-to-maturity: |  |
Less than 12 months, fair value | $ 0 | $ 0
Less than 12 months, unrealized losses | $ 0 | $ 0
Less than 12 months, number of securities (in Security) | Security | 0 | 0
More than 12 months, fair value | $ 13,257 | $ 14,982
More than 12 months, unrealized losses | $ 633 | $ 868
More than 12 months, number of securities (in Security) | Security | 4 | 5
Total, fair value | $ 13,257 | $ 14,982
Total, unrealized losses | $ 633 | $ 868
Total, number of securities (in Security) | Security | 4 | 5
U.S. Government Sponsored Enterprises [Member] |  |
Securities available-for-sale: |  |
Less than 12 months, fair value | $ 0 | $ 0
Less than 12 months, unrealized losses | $ 0 | $ 0
Less than 12 months, number of securities (in Security) | Security | 0 | 0
More than 12 months, fair value | $ 6,371 | $ 11,644
More than 12 months, unrealized losses | $ 726 | $ 1,385
More than 12 months, number of securities (in Security) | Security | 2 | 5
Total, fair value | $ 6,371 | $ 11,644
Total, unrealized losses | $ 726 | $ 1,385
Total, number of securities (in Security) | Security | 2 | 5
State and Political Subdivisions [Member] |  |
Securities available-for-sale: |  |
Less than 12 months, fair value | $ 0 | $ 0
Less than 12 months, unrealized losses | $ 0 | $ 0
Less than 12 months, number of securities (in Security) | Security | 0 | 0
More than 12 months, fair value | $ 22 | $ 43
More than 12 months, unrealized losses | $ 0 | $ 0
More than 12 months, number of securities (in Security) | Security | 1 | 1
Total, fair value | $ 22 | $ 43
Total, unrealized losses | $ 0 | $ 0
Total, number of securities (in Security) | Security | 1 | 1
Securities held-to-maturity: |  |
Less than 12 months, fair value | $ 28,030 | $ 23,577
Less than 12 months, unrealized losses | $ 742 | $ 339
Less than 12 months, number of securities (in Security) | Security | 208 | 154
More than 12 months, fair value | $ 212,156 | $ 231,645
More than 12 months, unrealized losses | $ 26,853 | $ 31,689
More than 12 months, number of securities (in Security) | Security | 1,282 | 1,511
Total, fair value | $ 240,186 | $ 255,222
Total, unrealized losses | $ 27,595 | $ 32,028
Total, number of securities (in Security) | Security | 1,490 | 1,665
Mortgage-backed Securities-Residential [Member] |  |
Securities available-for-sale: |  |
Less than 12 months, fair value | $ 18,040 | $ 0
Less than 12 months, unrealized losses | $ 294 | $ 0
Less than 12 months, number of securities (in Security) | Security | 7 | 0
More than 12 months, fair value | $ 19,469 | $ 20,872
More than 12 months, unrealized losses | $ 2,575 | $ 3,007
More than 12 months, number of securities (in Security) | Security | 17 | 21
Total, fair value | $ 37,509 | $ 20,872
Total, unrealized losses | $ 2,869 | $ 3,007
Total, number of securities (in Security) | Security | 24 | 21
Securities held-to-maturity: |  |
Less than 12 months, fair value | $ 72,274 | $ 9,470
Less than 12 months, unrealized losses | $ 689 | $ 151
Less than 12 months, number of securities (in Security) | Security | 21 | 4
More than 12 months, fair value | $ 23,971 | $ 26,541
More than 12 months, unrealized losses | $ 1,800 | $ 2,176
More than 12 months, number of securities (in Security) | Security | 23 | 26
Total, fair value | $ 96,245 | $ 36,011
Total, unrealized losses | $ 2,489 | $ 2,327
Total, number of securities (in Security) | Security | 44 | 30
Mortgage-backed Securities-Multi-family [Member] |  |
Securities available-for-sale: |  |
Less than 12 months, fair value | $ 0 | $ 0
Less than 12 months, unrealized losses | $ 0 | $ 0
Less than 12 months, number of securities (in Security) | Security | 0 | 0
More than 12 months, fair value | $ 75,904 | $ 74,597
More than 12 months, unrealized losses | $ 12,620 | $ 14,277
More than 12 months, number of securities (in Security) | Security | 30 | 30
Total, fair value | $ 75,904 | $ 74,597
Total, unrealized losses | $ 12,620 | $ 14,277
Total, number of securities (in Security) | Security | 30 | 30
Securities held-to-maturity: |  |
Less than 12 months, fair value | $ 0 | $ 0
Less than 12 months, unrealized losses | $ 0 | $ 0
Less than 12 months, number of securities (in Security) | Security | 0 | 0
More than 12 months, fair value | $ 112,011 | $ 118,156
More than 12 months, unrealized losses | $ 9,727 | $ 11,963
More than 12 months, number of securities (in Security) | Security | 42 | 45
Total, fair value | $ 112,011 | $ 118,156
Total, unrealized losses | $ 9,727 | $ 11,963
Total, number of securities (in Security) | Security | 42 | 45
Corporate Debt Securities [Member] |  |
Securities available-for-sale: |  |
Less than 12 months, fair value | $ 443 | $ 0
Less than 12 months, unrealized losses | $ 57 | $ 0
Less than 12 months, number of securities (in Security) | Security | 1 | 0
More than 12 months, fair value | $ 13,160 | $ 15,919
More than 12 months, unrealized losses | $ 339 | $ 560
More than 12 months, number of securities (in Security) | Security | 8 | 11
Total, fair value | $ 13,603 | $ 15,919
Total, unrealized losses | $ 396 | $ 560
Total, number of securities (in Security) | Security | 9 | 11
Securities held-to-maturity: |  |
Less than 12 months, fair value | $ 6,876 | $ 3,705
Less than 12 months, unrealized losses | $ 124 | $ 45
Less than 12 months, number of securities (in Security) | Security | 3 | 3
More than 12 months, fair value | $ 14,307 | $ 22,209
More than 12 months, unrealized losses | $ 942 | $ 1,711
More than 12 months, number of securities (in Security) | Security | 16 | 17
Total, fair value | $ 21,183 | $ 25,914
Total, unrealized losses | $ 1,066 | $ 1,756
Total, number of securities (in Security) | Security | 19 | 20

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