Financing Receivable, Past Due [Table Text Block] |
| | 30-59 Days | | | 60-89 Days | | | 90 Days or More | | | Total | | | | | | | | | |
June 30, 2025 | | | Past Due | | | | Past Due | | | | Past Due | | | | Past Due | | | | Current | | | | Total Loans | |
| | (In thousands) | |
Real Estate: | | | | | | | | | | | | | | | | | | | | | | | | |
One-to-four family | | $ | 1,033 | | | $ | 79 | | | $ | 879 | | | $ | 1,991 | | | $ | 385,468 | | | $ | 387,459 | |
Multi-family | | | — | | | | — | | | | — | | | | — | | | | 329,696 | | | | 329,696 | |
Commercial real estate | | | — | | | | — | | | | 4,091 | | | | 4,091 | | | | 387,271 | | | | 391,362 | |
Construction and land | | | — | | | | 9 | | | | 8,120 | | | | 8,129 | | | | 64,409 | | | | 72,538 | |
Total real estate loans | | | 1,033 | | | | 88 | | | | 13,090 | | | | 14,211 | | | | 1,166,844 | | | | 1,181,055 | |
Consumer: | | | | | | | | | | | | | | | | | | | | | | | | |
Home equity | | | 101 | | | | — | | | | — | | | | 101 | | | | 84,826 | | | | 84,927 | |
Auto and other consumer | | | 3,307 | | | | 413 | | | | 383 | | | | 4,103 | | | | 276,774 | | | | 280,877 | |
Total consumer loans | | | 3,408 | | | | 413 | | | | 383 | | | | 4,204 | | | | 361,600 | | | | 365,804 | |
Commercial business loans | | | 562 | | | | — | | | | 265 | | | | 827 | | | | 117,016 | | | | 117,843 | |
Total loans | | $ | 5,003 | | | $ | 501 | | | $ | 13,738 | | | $ | 19,242 | | | $ | 1,645,460 | | | $ | 1,664,702 | |
| | 30-59 Days | | | 60-89 Days | | | 90 Days or More | | | Total | | | | | | | | | |
December 31, 2024 | | | Past Due | | | | Past Due | | | | Past Due | | | | Past Due | | | | Current | | | | Total Loans | |
| | (In thousands) | |
Real Estate: | | | | | | | | | | | | | | | | | | | | | | | | |
One-to-four family | | $ | 333 | | | $ | 321 | | | $ | 839 | | | $ | 1,493 | | | $ | 393,822 | | | $ | 395,315 | |
Multi-family | | | 876 | | | | — | | | | — | | | | 876 | | | | 331,720 | | | | 332,596 | |
Commercial real estate | | | — | | | | — | | | | 5,594 | | | | 5,594 | | | | 384,785 | | | | 390,379 | |
Construction and land | | | 17 | | | | 8,150 | | | | 11,384 | | | | 19,551 | | | | 58,559 | | | | 78,110 | |
Total real estate loans | | | 1,226 | | | | 8,471 | | | | 17,817 | | | | 27,514 | | | | 1,168,886 | | | | 1,196,400 | |
Consumer: | | | | | | | | | | | | | | | | | | | | | | | | |
Home equity | | | 53 | | | | — | | | | — | | | | 53 | | | | 79,001 | | | | 79,054 | |
Auto and other consumer | | | 2,905 | | | | 437 | | | | 700 | | | | 4,042 | | | | 264,834 | | | | 268,876 | |
Total consumer loans | | | 2,958 | | | | 437 | | | | 700 | | | | 4,095 | | | | 343,835 | | | | 347,930 | |
Commercial business loans | | | 676 | | | | — | | | | 604 | | | | 1,280 | | | | 150,213 | | | | 151,493 | |
Total loans | | $ | 4,860 | | | $ | 8,908 | | | $ | 19,121 | | | $ | 32,889 | | | $ | 1,662,934 | | | $ | 1,695,823 | |
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Financing Receivable Credit Quality Indicators [Table Text Block] |
| | Term Loans by Year of Origination or Most Recent Renewal or Extension (1) | | | Revolving | | | Total | |
| | 2025 | | | 2024 | | | 2023 | | | 2022 | | | 2021 | | | Prior | | | Loans | | | Loans | |
| | (In thousands) | |
One-to-four family | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | $ | 2,455 | | | $ | 2,327 | | | $ | 8,785 | | | $ | 132,379 | | | $ | 113,753 | | | $ | 122,045 | | | $ | — | | | $ | 381,744 | |
Watch (Grade 4) | | | — | | | | — | | | | — | | | | 294 | | | | — | | | | 3,065 | | | | — | | | | 3,359 | |
Special Mention (Grade 5) | | | — | | | | — | | | | — | | | | — | | | | — | | | | 637 | | | | — | | | | 637 | |
Substandard (Grade 6) | | | — | | | | — | | | | — | | | | 259 | | | | — | | | | 1,460 | | | | — | | | | 1,719 | |
Total one-to-four family | | | 2,455 | | | | 2,327 | | | | 8,785 | | | | 132,932 | | | | 113,753 | | | | 127,207 | | | | — | | | | 387,459 | |
Gross charge-offs year-to-date | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
Multi-family | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 5,304 | | | | 19,750 | | | | 25,911 | | | | 103,711 | | | | 73,776 | | | | 60,394 | | | | — | | | | 288,846 | |
Watch (Grade 4) | | | — | | | | 8,690 | | | | — | | | | 4,104 | | | | 22,877 | | | | 1,855 | | | | — | | | | 37,526 | |
Special Mention (Grade 5) | | | — | | | | — | | | | 3,324 | | | | — | | | | — | | | | — | | | | — | | | | 3,324 | |
Total multi-family | | | 5,304 | | | | 28,440 | | | | 29,235 | | | | 107,815 | | | | 96,653 | | | | 62,249 | | | | — | | | | 329,696 | |
Gross charge-offs year-to-date | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
Commercial Real Estate | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 30,219 | | | | 33,551 | | | | 46,882 | | | | 58,106 | | | | 95,044 | | | | 98,549 | | | | — | | | | 362,351 | |
Watch (Grade 4) | | | — | | | | 545 | | | | 3,732 | | | | 8,697 | | | | 1,068 | | | | 1,113 | | | | — | | | | 15,155 | |
Special Mention (Grade 5) | | | — | | | | — | | | | — | | | | 1,849 | | | | — | | | | 1,235 | | | | — | | | | 3,084 | |
Substandard (Grade 6) | | | 6,676 | | | | — | | | | 4,091 | | | | 5 | | | | — | | | | — | | | | — | | | | 10,772 | |
Total commercial real estate | | | 36,895 | | | | 34,096 | | | | 54,705 | | | | 68,657 | | | | 96,112 | | | | 100,897 | | | | — | | | | 391,362 | |
Gross charge-offs year-to-date | | | — | | | | — | | | | — | | | | — | | | | 5,586 | | | | — | | | | — | | | | 5,586 | |
Construction and Land | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 9,419 | | | | 23,509 | | | | 14,613 | | | | 3,025 | | | | 1,528 | | | | 618 | | | | — | | | | 52,712 | |
Watch (Grade 4) | | | 5,279 | | | | 1,461 | | | | — | | | | — | | | | — | | | | 24 | | | | — | | | | 6,764 | |
Substandard (Grade 6) | | | 4,933 | | | | — | | | | 8,120 | | | | — | | | | — | | | | 9 | | | | — | | | | 13,062 | |
Total construction and land | | | 19,631 | | | | 24,970 | | | | 22,733 | | | | 3,025 | | | | 1,528 | | | | 651 | | | | — | | | | 72,538 | |
Gross charge-offs year-to-date | | | — | | | | — | | | | 374 | | | | — | | | | — | | | | — | | | | — | | | | 374 | |
Home Equity | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 2,974 | | | | 4,807 | | | | 4,848 | | | | 5,293 | | | | 3,912 | | | | 7,015 | | | | 55,330 | | | | 84,179 | |
Watch (Grade 4) | | | — | | | | — | | | | 187 | | | | 199 | | | | — | | | | 25 | | | | 275 | | | | 686 | |
Substandard (Grade 6) | | | — | | | | — | | | | — | | | | — | | | | — | | | | 62 | | | | — | | | | 62 | |
Total home equity | | | 2,974 | | | | 4,807 | | | | 5,035 | | | | 5,492 | | | | 3,912 | | | | 7,102 | | | | 55,605 | | | | 84,927 | |
Gross charge-offs year-to-date | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
Auto and Other Consumer | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 37,226 | | | | 61,905 | | | | 37,383 | | | | 47,193 | | | | 55,309 | | | | 36,635 | | | | 612 | | | | 276,263 | |
Watch (Grade 4) | | | — | | | | 855 | | | | 896 | | | | 1,376 | | | | 205 | | | | 229 | | | | — | | | | 3,561 | |
Special Mention (Grade 5) | | | — | | | | 177 | | | | 154 | | | | 56 | | | | 24 | | | | 12 | | | | 2 | | | | 425 | |
Substandard (Grade 6) | | | — | | | | — | | | | 411 | | | | 191 | | | | — | | | | 26 | | | | — | | | | 628 | |
Total auto and other consumer | | | 37,226 | | | | 62,937 | | | | 38,844 | | | | 48,816 | | | | 55,538 | | | | 36,902 | | | | 614 | | | | 280,877 | |
Gross charge-offs year-to-date | | | — | | | | 3 | | | | 194 | | | | 209 | | | | 13 | | | | 21 | | | | 76 | | | | 516 | |
Commercial business | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 10,851 | | | | 29,634 | | | | 15,080 | | | | 7,220 | | | | 3,215 | | | | 1,627 | | | | 41,551 | | | | 109,178 | |
Watch (Grade 4) | | | 78 | | | | — | | | | — | | | | 1,075 | | | | 13 | | | | — | | | | 85 | | | | 1,251 | |
Special Mention (Grade 5) | | | 14 | | | | — | | | | 118 | | | | 334 | | | | 584 | | | | 2 | | | | 1,668 | | | | 2,720 | |
Substandard (Grade 6) | | | 105 | | | | 85 | | | | 178 | | | | 3,149 | | | | 887 | | | | — | | | | 290 | | | | 4,694 | |
Total commercial business | | | 11,048 | | | | 29,719 | | | | 15,376 | | | | 11,778 | | | | 4,699 | | | | 1,629 | | | | 43,594 | | | | 117,843 | |
Gross charge-offs year-to-date | | | — | | | | 100 | | | | — | | | | 1,730 | | | | 1,821 | | | | 685 | | | | — | | | | 4,336 | |
Total loans | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 98,448 | | | | 175,483 | | | | 153,502 | | | | 356,927 | | | | 346,537 | | | | 326,883 | | | | 97,493 | | | | 1,555,273 | |
Watch (Grade 4) | | | 5,357 | | | | 11,551 | | | | 4,815 | | | | 15,745 | | | | 24,163 | | | | 6,311 | | | | 360 | | | | 68,302 | |
Special Mention (Grade 5) | | | 14 | | | | 177 | | | | 3,596 | | | | 2,239 | | | | 608 | | | | 1,886 | | | | 1,670 | | | | 10,190 | |
Substandard (Grade 6) | | | 11,714 | | | | 85 | | | | 12,800 | | | | 3,604 | | | | 887 | | | | 1,557 | | | | 290 | | | | 30,937 | |
Total loans | | $ | 115,533 | | | $ | 187,296 | | | $ | 174,713 | | | $ | 378,515 | | | $ | 372,195 | | | $ | 336,637 | | | $ | 99,813 | | | $ | 1,664,702 | |
Total gross charge-offs year-to-date | | $ | — | | | $ | 103 | | | $ | 568 | | | $ | 1,939 | | | $ | 7,420 | | | $ | 706 | | | $ | 76 | | | $ | 10,812 | |
| | Term Loans by Year of Origination or Most Recent Renewal or Extension (1) | | | Revolving | | | Total | |
| | 2024 | | | 2023 | | | 2022 | | | 2021 | | | 2020 | | | Prior | | | Loans | | | Loans | |
| | (In thousands) | |
One-to-four family | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | $ | 1,596 | | | $ | 10,315 | | | $ | 130,021 | | | $ | 116,245 | | | $ | 64,869 | | | $ | 65,927 | | | $ | — | | | $ | 388,973 | |
Watch (Grade 4) | | | — | | | | — | | | | 297 | | | | 1,305 | | | | 1,006 | | | | 2,141 | | | | — | | | | 4,749 | |
Special Mention (Grade 5) | | | — | | | | — | | | | — | | | | — | | | | — | | | | 78 | | | | — | | | | 78 | |
Substandard (Grade 6) | | | — | | | | — | | | | 273 | | | | — | | | | 840 | | | | 402 | | | | — | | | | 1,515 | |
Total one-to-four family | | | 1,596 | | | | 10,315 | | | | 130,591 | | | | 117,550 | | | | 66,715 | | | | 68,548 | | | | — | | | | 395,315 | |
Gross charge-offs for the year | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
Multi-family | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 19,871 | | | | 31,334 | | | | 105,919 | | | | 74,679 | | | | 49,885 | | | | 11,299 | | | | — | | | | 292,987 | |
Watch (Grade 4) | | | 8,755 | | | | — | | | | 1,764 | | | | 23,051 | | | | 1,278 | | | | 976 | | | | — | | | | 35,824 | |
Special Mention (Grade 5) | | | — | | | | 3,785 | | | | — | | | | — | | | | — | | | | — | | | | — | | | | 3,785 | |
Total multi-family | | | 28,626 | | | | 35,119 | | | | 107,683 | | | | 97,730 | | | | 51,163 | | | | 12,275 | | | | — | | | | 332,596 | |
Gross charge-offs for the year | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
Commercial Real Estate | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 35,011 | | | | 51,514 | | | | 72,064 | | | | 97,421 | | | | 74,182 | | | | 28,762 | | | | — | | | | 358,954 | |
Watch (Grade 4) | | | 552 | | | | 3,779 | | | | 10,371 | | | | — | | | | — | | | | 767 | | | | — | | | | 15,469 | |
Special Mention (Grade 5) | | | — | | | | — | | | | — | | | | — | | | | 1,255 | | | | 2,702 | | | | — | | | | 3,957 | |
Substandard (Grade 6) | | | — | | | | — | | | | 4 | | | | 11,995 | | | | — | | | | — | | | | — | | | | 11,999 | |
Total commercial real estate | | | 35,563 | | | | 55,293 | | | | 82,439 | | | | 109,416 | | | | 75,437 | | | | 32,231 | | | | — | | | | 390,379 | |
Gross charge-offs for the year | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
Construction and Land | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 20,870 | | | | 15,874 | | | | 13,638 | | | | 1,357 | | | | 504 | | | | 327 | | | | — | | | | 52,570 | |
Watch (Grade 4) | | | 213 | | | | 5,531 | | | | — | | | | 222 | | | | — | | | | 30 | | | | — | | | | 5,996 | |
Substandard (Grade 6) | | | 8,150 | | | | 11,384 | | | | — | | | | — | | | | — | | | | 10 | | | | — | | | | 19,544 | |
Total construction and land | | | 29,233 | | | | 32,789 | | | | 13,638 | | | | 1,579 | | | | 504 | | | | 367 | | | | — | | | | 78,110 | |
Gross charge-offs for the year | | | — | | | | 4,389 | | | | — | | | | — | | | | — | | | | — | | | | — | | | | 4,389 | |
Home Equity | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 5,779 | | | | 5,860 | | | | 5,868 | | | | 4,117 | | | | 2,571 | | | | 4,620 | | | | 49,531 | | | | 78,346 | |
Watch (Grade 4) | | | 122 | | | | — | | | | 65 | | | | — | | | | 35 | | | | 61 | | | | 326 | | | | 609 | |
Substandard (Grade 6) | | | — | | | | — | | | | — | | | | — | | | | 55 | | | | 11 | | | | 33 | | | | 99 | |
Total home equity | | | 5,901 | | | | 5,860 | | | | 5,933 | | | | 4,117 | | | | 2,661 | | | | 4,692 | | | | 49,890 | | | | 79,054 | |
Gross charge-offs for the year | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
Auto and Other Consumer | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 55,699 | | | | 46,719 | | | | 65,193 | | | | 36,235 | | | | 12,268 | | | | 47,728 | | | | 518 | | | | 264,360 | |
Watch (Grade 4) | | | 848 | | | | 786 | | | | 980 | | | | 52 | | | | 217 | | | | 496 | | | | — | | | | 3,379 | |
Special Mention (Grade 5) | | | 228 | | | | 14 | | | | — | | | | 157 | | | | — | | | | 38 | | | | — | | | | 437 | |
Substandard (Grade 6) | | | 240 | | | | 243 | | | | 31 | | | | — | | | | 133 | | | | 53 | | | | — | | | | 700 | |
Total auto and other consumer | | | 57,015 | | | | 47,762 | | | | 66,204 | | | | 36,444 | | | | 12,618 | | | | 48,315 | | | | 518 | | | | 268,876 | |
Gross charge-offs for the year | | | — | | | | 505 | | | | 1,536 | | | | 92 | | | | 17 | | | | 237 | | | | 107 | | | | 2,494 | |
Commercial business | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 29,228 | | | | 19,478 | | | | 8,744 | | | | 3,633 | | | | 1,495 | | | | 40,670 | | | | 35,209 | | | | 138,457 | |
Watch (Grade 4) | | | — | | | | 136 | | | | 1,064 | | | | 314 | | | | — | | | | — | | | | 3 | | | | 1,517 | |
Special Mention (Grade 5) | | | — | | | | — | | | | 1,279 | | | | 1,552 | | | | — | | | | 2 | | | | — | | | | 2,833 | |
Substandard (Grade 6) | | | 47 | | | | 252 | | | | 3,752 | | | | 1,818 | | | | 611 | | | | — | | | | 2,206 | | | | 8,686 | |
Total commercial business | | | 29,275 | | | | 19,866 | | | | 14,839 | | | | 7,317 | | | | 2,106 | | | | 40,672 | | | | 37,418 | | | | 151,493 | |
Gross charge-offs for the year | | | 2,105 | | | | 259 | | | | 2,771 | | | | 2,022 | | | | 139 | | | | — | | | | — | | | | 7,296 | |
Total loans | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Pass (Grades 1-3) | | | 168,054 | | | | 181,094 | | | | 401,447 | | | | 333,687 | | | | 205,774 | | | | 199,333 | | | | 85,258 | | | | 1,574,647 | |
Watch (Grade 4) | | | 10,490 | | | | 10,232 | | | | 14,541 | | | | 24,944 | | | | 2,536 | | | | 4,471 | | | | 329 | | | | 67,543 | |
Special Mention (Grade 5) | | | 228 | | | | 3,799 | | | | 1,279 | | | | 1,709 | | | | 1,255 | | | | 2,820 | | | | — | | | | 11,090 | |
Substandard (Grade 6) | | | 8,437 | | | | 11,879 | | | | 4,060 | | | | 13,813 | | | | 1,639 | | | | 476 | | | | 2,239 | | | | 42,543 | |
Total loans | | $ | 187,209 | | | $ | 207,004 | | | $ | 421,327 | | | $ | 374,153 | | | $ | 211,204 | | | $ | 207,100 | | | $ | 87,826 | | | $ | 1,695,823 | |
Total Gross charge-offs for the year | | $ | 2,105 | | | $ | 5,153 | | | $ | 4,307 | | | $ | 2,114 | | | $ | 156 | | | $ | 237 | | | $ | 107 | | | $ | 14,179 | |
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