Note 4 - Loans - Internal Classification of the Loan Portfolio (Details) - USD ($) $ in Thousands | 12 Months Ended |
Dec. 31, 2023 | Dec. 31, 2022 |
Financing Receivable, Year One | $ 92,138 | |
Financing Receivable, Year Two | 125,193 | |
Financing Receivable, Year Three | 247,360 | |
Financing Receivable, Year Four | 387,892 | |
Financing Receivable, Year Five | 244,701 | |
Financing Receivable, prior | 182,545 | |
Financing Receivable,revolving | 204,660 | |
Loans receivable | 1,484,489 | $ 1,355,423 |
Current-period gross charge-offs, total | | 561 |
Pass [Member] | | |
Financing Receivable, Year One | 88,635 | |
Financing Receivable, Year Two | 123,063 | |
Financing Receivable, Year Three | 245,184 | |
Financing Receivable, Year Four | 384,096 | |
Financing Receivable, Year Five | 243,253 | |
Financing Receivable, prior | 179,209 | |
Financing Receivable,revolving | 201,827 | |
Loans receivable | 1,465,267 | 1,325,270 |
Special Mention [Member] | | |
Loans receivable | | 22,421 |
Substandard [Member] | | |
Financing Receivable, Year One | 910 | |
Financing Receivable, Year Two | 157 | |
Financing Receivable, Year Three | 1,209 | |
Financing Receivable, Year Four | 706 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 2,020 | |
Financing Receivable,revolving | 92 | |
Loans receivable | 5,094 | 7,622 |
Doubtful [Member] | | |
Loans receivable | | 110 |
Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | 0 |
Residential Portfolio Segment [Member] | | |
Loans receivable | 200,012 | 195,703 |
Current-period gross charge-offs, total | 0 | 199 |
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | | |
Financing Receivable, Year One | 10,987 | |
Financing Receivable, Year Two | 15,696 | |
Financing Receivable, Year Three | 24,575 | |
Financing Receivable, Year Four | 39,678 | |
Financing Receivable, Year Five | 28,122 | |
Financing Receivable, prior | 31,341 | |
Financing Receivable,revolving | 6,179 | |
Loans receivable | 156,578 | 135,947 |
Current-period gross charge-offs, year one | 0 | |
Current-period gross charge-offs, year two | 0 | |
Current-period gross charge-offs, year three | 0 | |
Current-period gross charge-offs, year four | 0 | |
Current-period gross charge-offs, year five | 0 | |
Current-period gross charge-offs, prior | 0 | |
Current-period gross charge-offs, revolving | 0 | |
Current-period gross charge-offs, total | 0 | |
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Pass [Member] | | |
Financing Receivable, Year One | 10,987 | |
Financing Receivable, Year Two | 15,696 | |
Financing Receivable, Year Three | 24,575 | |
Financing Receivable, Year Four | 38,738 | |
Financing Receivable, Year Five | 28,122 | |
Financing Receivable, prior | 30,938 | |
Financing Receivable,revolving | 6,179 | |
Loans receivable | 155,235 | 135,079 |
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Special Mention [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 0 | |
Financing Receivable, Year Four | 940 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 228 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 1,168 | 515 |
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Substandard [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 0 | |
Financing Receivable, Year Four | 0 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 175 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 175 | 353 |
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Doubtful [Member] | | |
Loans receivable | | 0 |
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | 0 |
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 6,845 | |
Financing Receivable, Year Four | 21,889 | |
Financing Receivable, Year Five | 14,700 | |
Financing Receivable, prior | 0 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 43,434 | 59,756 |
Current-period gross charge-offs, year one | 0 | |
Current-period gross charge-offs, year two | 0 | |
Current-period gross charge-offs, year three | 0 | |
Current-period gross charge-offs, year four | 0 | |
Current-period gross charge-offs, year five | 0 | |
Current-period gross charge-offs, prior | 0 | |
Current-period gross charge-offs, revolving | 0 | |
Current-period gross charge-offs, total | 0 | |
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Pass [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 6,088 | |
Financing Receivable, Year Four | 21,889 | |
Financing Receivable, Year Five | 14,700 | |
Financing Receivable, prior | 0 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 42,677 | 59,756 |
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Special Mention [Member] | | |
Loans receivable | | 0 |
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Substandard [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 757 | |
Financing Receivable, Year Four | 0 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 0 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 757 | 0 |
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Doubtful [Member] | | |
Loans receivable | | 0 |
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | 0 |
Commercial Real Estate Portfolio Segment [Member] | | |
Loans receivable | 909,413 | 826,549 |
Current-period gross charge-offs, total | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | | |
Financing Receivable, Year One | 58,413 | |
Financing Receivable, Year Two | 52,356 | |
Financing Receivable, Year Three | 141,900 | |
Financing Receivable, Year Four | 156,453 | |
Financing Receivable, Year Five | 64,488 | |
Financing Receivable, prior | 103,959 | |
Financing Receivable,revolving | 31,122 | |
Loans receivable | 608,691 | 539,070 |
Current-period gross charge-offs, year one | 0 | |
Current-period gross charge-offs, year two | 0 | |
Current-period gross charge-offs, year three | 0 | |
Current-period gross charge-offs, year four | 0 | |
Current-period gross charge-offs, year five | 0 | |
Current-period gross charge-offs, prior | 0 | |
Current-period gross charge-offs, revolving | 0 | |
Current-period gross charge-offs, total | 0 | |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Pass [Member] | | |
Financing Receivable, Year One | 55,820 | |
Financing Receivable, Year Two | 50,408 | |
Financing Receivable, Year Three | 141,407 | |
Financing Receivable, Year Four | 154,941 | |
Financing Receivable, Year Five | 63,174 | |
Financing Receivable, prior | 103,620 | |
Financing Receivable,revolving | 31,122 | |
Loans receivable | 600,492 | 520,505 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Special Mention [Member] | | |
Financing Receivable, Year One | 2,593 | |
Financing Receivable, Year Two | 1,948 | |
Financing Receivable, Year Three | 493 | |
Financing Receivable, Year Four | 1,512 | |
Financing Receivable, Year Five | 1,314 | |
Financing Receivable, prior | 0 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 7,860 | 16,833 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Substandard [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 0 | |
Financing Receivable, Year Four | 0 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 339 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 339 | 1,732 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Doubtful [Member] | | |
Loans receivable | | 0 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | 0 |
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | | |
Financing Receivable, Year One | 6,900 | |
Financing Receivable, Year Two | 6,399 | |
Financing Receivable, Year Three | 19,941 | |
Financing Receivable, Year Four | 80,572 | |
Financing Receivable, Year Five | 31,283 | |
Financing Receivable, prior | 4,752 | |
Financing Receivable,revolving | 8,285 | |
Loans receivable | 158,132 | 151,145 |
Current-period gross charge-offs, year one | 0 | |
Current-period gross charge-offs, year two | 0 | |
Current-period gross charge-offs, year three | 0 | |
Current-period gross charge-offs, year four | 0 | |
Current-period gross charge-offs, year five | 0 | |
Current-period gross charge-offs, prior | 0 | |
Current-period gross charge-offs, revolving | 0 | |
Current-period gross charge-offs, total | 0 | |
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member] | | |
Financing Receivable, Year One | 6,900 | |
Financing Receivable, Year Two | 6,399 | |
Financing Receivable, Year Three | 19,500 | |
Financing Receivable, Year Four | 80,061 | |
Financing Receivable, Year Five | 31,149 | |
Financing Receivable, prior | 3,762 | |
Financing Receivable,revolving | 8,285 | |
Loans receivable | 156,056 | 150,101 |
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 441 | |
Financing Receivable, Year Four | 511 | |
Financing Receivable, Year Five | 134 | |
Financing Receivable, prior | 990 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 2,076 | 1,044 |
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member] | | |
Loans receivable | | 0 |
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member] | | |
Loans receivable | | 0 |
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | 0 |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | | |
Financing Receivable, Year One | 10,034 | |
Financing Receivable, Year Two | 21,793 | |
Financing Receivable, Year Three | 19,795 | |
Financing Receivable, Year Four | 36,698 | |
Financing Receivable, Year Five | 19,452 | |
Financing Receivable, prior | 30,338 | |
Financing Receivable,revolving | 4,480 | |
Loans receivable | 142,590 | 136,334 |
Current-period gross charge-offs, year one | 0 | |
Current-period gross charge-offs, year two | 0 | |
Current-period gross charge-offs, year three | 0 | |
Current-period gross charge-offs, year four | 0 | |
Current-period gross charge-offs, year five | 0 | |
Current-period gross charge-offs, prior | 0 | |
Current-period gross charge-offs, revolving | 0 | |
Current-period gross charge-offs, total | 0 | |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Pass [Member] | | |
Financing Receivable, Year One | 9,551 | |
Financing Receivable, Year Two | 21,728 | |
Financing Receivable, Year Three | 19,795 | |
Financing Receivable, Year Four | 36,291 | |
Financing Receivable, Year Five | 19,452 | |
Financing Receivable, prior | 29,551 | |
Financing Receivable,revolving | 4,480 | |
Loans receivable | 140,848 | 131,646 |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Special Mention [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 0 | |
Financing Receivable, Year Four | 18 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 0 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 18 | 2,232 |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Substandard [Member] | | |
Financing Receivable, Year One | 483 | |
Financing Receivable, Year Two | 65 | |
Financing Receivable, Year Three | 0 | |
Financing Receivable, Year Four | 407 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 787 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 1,742 | 2,456 |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Doubtful [Member] | | |
Loans receivable | | 0 |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | 0 |
Home Equity Portfolio Segment [Member] | | |
Financing Receivable, Year One | 621 | |
Financing Receivable, Year Two | 565 | |
Financing Receivable, Year Three | 376 | |
Financing Receivable, Year Four | 3,630 | |
Financing Receivable, Year Five | 1,736 | |
Financing Receivable, prior | 2,505 | |
Financing Receivable,revolving | 77,499 | |
Loans receivable | 86,932 | 74,271 |
Current-period gross charge-offs, year one | 0 | |
Current-period gross charge-offs, year two | 0 | |
Current-period gross charge-offs, year three | 0 | |
Current-period gross charge-offs, year four | 0 | |
Current-period gross charge-offs, year five | 0 | |
Current-period gross charge-offs, prior | 0 | |
Current-period gross charge-offs, revolving | 0 | |
Current-period gross charge-offs, total | 0 | 32 |
Home Equity Portfolio Segment [Member] | Pass [Member] | | |
Financing Receivable, Year One | 621 | |
Financing Receivable, Year Two | 565 | |
Financing Receivable, Year Three | 376 | |
Financing Receivable, Year Four | 3,630 | |
Financing Receivable, Year Five | 1,736 | |
Financing Receivable, prior | 2,398 | |
Financing Receivable,revolving | 77,409 | |
Loans receivable | 86,735 | 74,147 |
Home Equity Portfolio Segment [Member] | Special Mention [Member] | | |
Loans receivable | | 0 |
Home Equity Portfolio Segment [Member] | Substandard [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 0 | |
Financing Receivable, Year Four | 0 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 107 | |
Financing Receivable,revolving | 90 | |
Loans receivable | 197 | 124 |
Home Equity Portfolio Segment [Member] | Doubtful [Member] | | |
Loans receivable | | 0 |
Home Equity Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | 0 |
Consumer Portfolio Segment [Member] | | |
Financing Receivable, Year One | 449 | |
Financing Receivable, Year Two | 1,990 | |
Financing Receivable, Year Three | 3,398 | |
Financing Receivable, Year Four | 8,135 | |
Financing Receivable, Year Five | 13,083 | |
Financing Receivable, prior | 1,091 | |
Financing Receivable,revolving | 1,979 | |
Loans receivable | 30,125 | 27,609 |
Current-period gross charge-offs, year one | 1 | |
Current-period gross charge-offs, year two | 0 | |
Current-period gross charge-offs, year three | 28 | |
Current-period gross charge-offs, year four | 2 | |
Current-period gross charge-offs, year five | 16 | |
Current-period gross charge-offs, prior | 4 | |
Current-period gross charge-offs, revolving | 0 | |
Current-period gross charge-offs, total | 51 | 31 |
Consumer Portfolio Segment [Member] | Pass [Member] | | |
Financing Receivable, Year One | 449 | |
Financing Receivable, Year Two | 1,953 | |
Financing Receivable, Year Three | 3,398 | |
Financing Receivable, Year Four | 8,109 | |
Financing Receivable, Year Five | 13,083 | |
Financing Receivable, prior | 1,069 | |
Financing Receivable,revolving | 1,977 | |
Loans receivable | 30,038 | 27,560 |
Consumer Portfolio Segment [Member] | Special Mention [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 25 | |
Financing Receivable, Year Three | 33 | |
Financing Receivable, Year Four | 109 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 98 | |
Financing Receivable,revolving | 2,741 | |
Loans receivable | 3,006 | 10 |
Consumer Portfolio Segment [Member] | Substandard [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 37 | |
Financing Receivable, Year Three | 0 | |
Financing Receivable, Year Four | 8 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 22 | |
Financing Receivable,revolving | 2 | |
Loans receivable | 69 | 39 |
Consumer Portfolio Segment [Member] | Doubtful [Member] | | |
Loans receivable | | 0 |
Consumer Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | 0 |
Commercial Portfolio Segment [Member] | | |
Loans receivable | 258,007 | 231,291 |
Current-period gross charge-offs, total | 129 | 299 |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | | |
Financing Receivable, Year One | 2,834 | |
Financing Receivable, Year Two | 20,521 | |
Financing Receivable, Year Three | 22,854 | |
Financing Receivable, Year Four | 23,699 | |
Financing Receivable, Year Five | 31,661 | |
Financing Receivable, prior | 6,485 | |
Financing Receivable,revolving | 24,655 | |
Loans receivable | 132,709 | 127,255 |
Current-period gross charge-offs, year one | 0 | |
Current-period gross charge-offs, year two | 0 | |
Current-period gross charge-offs, year three | 26 | |
Current-period gross charge-offs, year four | 0 | |
Current-period gross charge-offs, year five | 0 | |
Current-period gross charge-offs, prior | 8 | |
Current-period gross charge-offs, revolving | 0 | |
Current-period gross charge-offs, total | 34 | |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Pass [Member] | | |
Financing Receivable, Year One | 2,834 | |
Financing Receivable, Year Two | 20,496 | |
Financing Receivable, Year Three | 22,804 | |
Financing Receivable, Year Four | 23,581 | |
Financing Receivable, Year Five | 31,661 | |
Financing Receivable, prior | 6,354 | |
Financing Receivable,revolving | 21,914 | |
Loans receivable | 129,644 | 125,035 |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Special Mention [Member] | | |
Financing Receivable, Year One | 2,593 | |
Financing Receivable, Year Two | 1,973 | |
Financing Receivable, Year Three | 967 | |
Financing Receivable, Year Four | 3,090 | |
Financing Receivable, Year Five | 1,448 | |
Financing Receivable, prior | 1,316 | |
Financing Receivable,revolving | 2,741 | |
Loans receivable | 14,128 | 1,476 |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Substandard [Member] | | |
Financing Receivable, Year One | 0 | |
Financing Receivable, Year Two | 0 | |
Financing Receivable, Year Three | 17 | |
Financing Receivable, Year Four | 9 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 33 | |
Financing Receivable,revolving | 0 | |
Loans receivable | 59 | 736 |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Doubtful [Member] | | |
Loans receivable | | 8 |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | 0 |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | | |
Financing Receivable, Year One | 1,900 | |
Financing Receivable, Year Two | 5,873 | |
Financing Receivable, Year Three | 7,676 | |
Financing Receivable, Year Four | 17,138 | |
Financing Receivable, Year Five | 40,176 | |
Financing Receivable, prior | 2,074 | |
Financing Receivable,revolving | 50,461 | |
Loans receivable | 125,298 | 104,036 |
Current-period gross charge-offs, year one | 0 | |
Current-period gross charge-offs, year two | 0 | |
Current-period gross charge-offs, year three | 0 | |
Current-period gross charge-offs, year four | 1 | |
Current-period gross charge-offs, year five | 0 | |
Current-period gross charge-offs, prior | 93 | |
Current-period gross charge-offs, revolving | 0 | |
Current-period gross charge-offs, total | 94 | |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Pass [Member] | | |
Financing Receivable, Year One | 1,473 | |
Financing Receivable, Year Two | 5,818 | |
Financing Receivable, Year Three | 7,241 | |
Financing Receivable, Year Four | 16,856 | |
Financing Receivable, Year Five | 40,176 | |
Financing Receivable, prior | 1,517 | |
Financing Receivable,revolving | 50,461 | |
Loans receivable | 123,542 | 101,441 |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Special Mention [Member] | | |
Loans receivable | | 311 |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Substandard [Member] | | |
Financing Receivable, Year One | 427 | |
Financing Receivable, Year Two | 55 | |
Financing Receivable, Year Three | 435 | |
Financing Receivable, Year Four | 282 | |
Financing Receivable, Year Five | 0 | |
Financing Receivable, prior | 557 | |
Financing Receivable,revolving | 0 | |
Loans receivable | $ 1,756 | 2,182 |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Doubtful [Member] | | |
Loans receivable | | 102 |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Unlikely to be Collected Financing Receivable [Member] | | |
Loans receivable | | $ 0 |