Note 3 - Loans Receivable - Credit Quality Indicators (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021 |
Loans receivable | $ 1,354,465 | $ 1,205,785 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 404,418 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 293,349 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 245,861 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 120,771 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 78,027 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 195,768 | |
Financing Receivable, Revolving | 16,271 | |
Residential Portfolio Segment [Member] | One to Four Family [Member] | | |
Loans receivable | 361,943 | 300,523 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 129,625 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 42,342 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 47,329 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 27,341 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 25,062 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 88,760 | |
Financing Receivable, Revolving | 1,484 | |
Residential Portfolio Segment [Member] | Multifamily [Member] | | |
Loans receivable | 621,560 | 537,956 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 189,817 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 146,650 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 141,230 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 45,809 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 22,850 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 74,407 | |
Financing Receivable, Revolving | 797 | |
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | | |
Loans receivable | 11,020 | 11,012 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 311 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 203 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 848 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 122 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 176 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 170 | |
Financing Receivable, Revolving | 9,190 | |
Construction and Land Portfolio Segment [Member] | | |
Loans receivable | 61,125 | 82,588 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 3,174 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 47,877 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 2,350 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 7,497 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 124 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 103 | |
Financing Receivable, Revolving | 0 | |
Commercial Real Estate Portfolio Segment [Member] | | |
Loans receivable | 278,864 | 250,676 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 77,437 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 54,920 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 50,793 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 39,721 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 28,850 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 26,484 | |
Financing Receivable, Revolving | 659 | |
Consumer Portfolio Segment [Member] | | |
Loans receivable | 757 | 732 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 38 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 719 | |
Commercial Portfolio Segment [Member] | | |
Loans receivable | 19,196 | 22,298 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 4,016 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,357 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 3,311 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 281 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 965 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 5,844 | |
Financing Receivable, Revolving | 3,422 | |
Substandard [Member] | | |
Loans receivable | 10,568 | 13,498 |
Substandard [Member] | Residential Portfolio Segment [Member] | One to Four Family [Member] | | |
Loans receivable | 5,018 | 5,420 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 759 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,428 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 529 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,302 | |
Financing Receivable, Revolving | 0 | |
Substandard [Member] | Residential Portfolio Segment [Member] | Multifamily [Member] | | |
Loans receivable | 0 | 128 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Substandard [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] | | |
Loans receivable | 57 | 26 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 57 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Substandard [Member] | Construction and Land Portfolio Segment [Member] | | |
Loans receivable | 0 | 0 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | | |
Loans receivable | 5,493 | 6,827 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 5,493 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Substandard [Member] | Consumer Portfolio Segment [Member] | | |
Loans receivable | 0 | 0 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Substandard [Member] | Commercial Portfolio Segment [Member] | | |
Loans receivable | 0 | 1,097 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Pass [Member] | | |
Loans receivable | 1,327,233 | 1,171,037 |
Pass [Member] | Residential Portfolio Segment [Member] | One to Four Family [Member] | | |
Loans receivable | 351,869 | 287,166 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 124,694 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 40,914 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 47,329 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 26,812 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 25,062 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 85,574 | |
Financing Receivable, Revolving | 1,484 | |
Pass [Member] | Residential Portfolio Segment [Member] | Multifamily [Member] | | |
Loans receivable | 621,367 | 537,828 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 189,817 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 146,650 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 141,230 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 45,809 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 22,850 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 74,214 | |
Financing Receivable, Revolving | 797 | |
Pass [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] | | |
Loans receivable | 10,842 | 10,949 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 254 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 82 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 848 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 122 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 176 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 170 | |
Financing Receivable, Revolving | 9,190 | |
Pass [Member] | Construction and Land Portfolio Segment [Member] | | |
Loans receivable | 58,877 | 78,376 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 3,174 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 47,877 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 2,350 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 5,249 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 124 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 103 | |
Financing Receivable, Revolving | 0 | |
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | | |
Loans receivable | 268,243 | 237,979 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 75,939 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 54,920 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 50,697 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 37,469 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 22,075 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 26,484 | |
Financing Receivable, Revolving | 659 | |
Pass [Member] | Consumer Portfolio Segment [Member] | | |
Loans receivable | 757 | 732 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 38 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 719 | |
Pass [Member] | Commercial Portfolio Segment [Member] | | |
Loans receivable | 15,278 | 18,007 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 2,176 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,357 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,332 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 281 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 965 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 5,745 | |
Financing Receivable, Revolving | 3,422 | |
Watch [Member] | | |
Loans receivable | 16,664 | 21,250 |
Watch [Member] | Residential Portfolio Segment [Member] | One to Four Family [Member] | | |
Loans receivable | 5,056 | 7,937 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 4,172 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 884 | |
Financing Receivable, Revolving | 0 | |
Watch [Member] | Residential Portfolio Segment [Member] | Multifamily [Member] | | |
Loans receivable | 193 | 0 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 193 | |
Financing Receivable, Revolving | 0 | |
Watch [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member] | | |
Loans receivable | 121 | 37 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 121 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Watch [Member] | Construction and Land Portfolio Segment [Member] | | |
Loans receivable | 2,248 | 4,212 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 2,248 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Watch [Member] | Commercial Real Estate Portfolio Segment [Member] | | |
Loans receivable | 5,128 | 5,870 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 1,498 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 96 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 2,252 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,282 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Watch [Member] | Consumer Portfolio Segment [Member] | | |
Loans receivable | 0 | 0 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | |
Financing Receivable, Revolving | 0 | |
Watch [Member] | Commercial Portfolio Segment [Member] | | |
Loans receivable | 3,918 | $ 3,194 |
Financing Receivable, Year One, Originated, Current Fiscal Year | 1,840 | |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,979 | |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 99 | |
Financing Receivable, Revolving | $ 0 | |