Note 4 - Loans Receivable - Internal Classification of the Loan Portfolio (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022 | Jun. 30, 2022 |
Financing Receivable, Year One | $ 116,719 | | |
Financing Receivable, Year Two | 396,971 | | |
Financing Receivable, Year Three | 284,901 | | |
Financing Receivable, Year Four | 135,323 | | |
Financing Receivable, Year Five | 97,599 | | |
Financing Receivable, prior | 204,148 | | |
Financing Receivable,revolving | 185,822 | | |
Loans receivable | 1,421,483 | $ 1,355,423 | |
Pass [Member] | | | |
Financing Receivable, Year One | 116,160 | | |
Financing Receivable, Year Two | 396,155 | | |
Financing Receivable, Year Three | 284,690 | | |
Financing Receivable, Year Four | 134,001 | | |
Financing Receivable, Year Five | 92,998 | | |
Financing Receivable, prior | 196,807 | | |
Financing Receivable,revolving | 184,466 | | |
Loans receivable | 1,405,277 | 1,325,270 | |
Special Mention [Member] | | | |
Financing Receivable, Year One | 544 | | |
Financing Receivable, Year Two | 94 | | |
Financing Receivable, Year Three | 0 | | |
Financing Receivable, Year Four | 29 | | |
Financing Receivable, Year Five | 3,533 | | |
Financing Receivable, prior | 3,736 | | |
Financing Receivable,revolving | 418 | | |
Loans receivable | 8,354 | 22,421 | |
Substandard [Member] | | | |
Financing Receivable, Year One | 15 | | |
Financing Receivable, Year Two | 722 | | |
Financing Receivable, Year Three | 211 | | |
Financing Receivable, Year Four | 1,293 | | |
Financing Receivable, Year Five | 1,068 | | |
Financing Receivable, prior | 3,497 | | |
Financing Receivable,revolving | 938 | | |
Loans receivable | 7,744 | 7,622 | |
Doubtful [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 | 108 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 108 | 110 | |
Unlikely to be Collected Financing Receivable [Member] | | | |
Loans receivable | | 0 | |
Residential Portfolio Segment [Member] | | | |
Loans receivable | 182,953 | 195,703 | $ 186,229 |
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | | | |
Financing Receivable, Year One | 5,455 | | |
Financing Receivable, Year Two | 37,629 | | |
Financing Receivable, Year Three | 25,727 | | |
Financing Receivable, Year Four | 15,883 | | |
Financing Receivable, Year Five | 11,654 | | |
Financing Receivable, prior | 34,588 | | |
Financing Receivable,revolving | 2,501 | | |
Loans receivable | 133,437 | 135,947 | |
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Pass [Member] | | | |
Financing Receivable, Year One | 5,455 | | |
Financing Receivable, Year Two | 37,629 | | |
Financing Receivable, Year Three | 25,727 | | |
Financing Receivable, Year Four | 15,883 | | |
Financing Receivable, Year Five | 11,654 | | |
Financing Receivable, prior | 33,829 | | |
Financing Receivable,revolving | 2,501 | | |
Loans receivable | 132,678 | 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 | 0 | | |
Financing Receivable, Year Five | 0 | | |
Financing Receivable, prior | 232 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 232 | 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 | 527 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 527 | 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 | 3,820 | | |
Financing Receivable, Year Two | 33,921 | | |
Financing Receivable, Year Three | 11,158 | | |
Financing Receivable, Year Four | 0 | | |
Financing Receivable, Year Five | 0 | | |
Financing Receivable, prior | 301 | | |
Financing Receivable,revolving | 316 | | |
Loans receivable | 49,516 | 59,756 | |
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Pass [Member] | | | |
Financing Receivable, Year One | 3,820 | | |
Financing Receivable, Year Two | 33,921 | | |
Financing Receivable, Year Three | 11,158 | | |
Financing Receivable, Year Four | 0 | | |
Financing Receivable, Year Five | 0 | | |
Financing Receivable, prior | 301 | | |
Financing Receivable,revolving | 316 | | |
Loans receivable | 49,516 | 59,756 | |
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Special Mention [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 | 0 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 0 | 0 | |
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Substandard [Member] | | | |
Loans receivable | | 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 | 875,545 | 826,549 | 743,326 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | | | |
Financing Receivable, Year One | 32,916 | | |
Financing Receivable, Year Two | 135,828 | | |
Financing Receivable, Year Three | 144,174 | | |
Financing Receivable, Year Four | 55,342 | | |
Financing Receivable, Year Five | 60,682 | | |
Financing Receivable, prior | 116,926 | | |
Financing Receivable,revolving | 31,868 | | |
Loans receivable | 577,736 | 539,070 | |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Pass [Member] | | | |
Financing Receivable, Year One | 32,372 | | |
Financing Receivable, Year Two | 135,828 | | |
Financing Receivable, Year Three | 144,174 | | |
Financing Receivable, Year Four | 55,342 | | |
Financing Receivable, Year Five | 57,149 | | |
Financing Receivable, prior | 113,899 | | |
Financing Receivable,revolving | 31,868 | | |
Loans receivable | 570,632 | 520,505 | |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Special Mention [Member] | | | |
Financing Receivable, Year One | 544 | | |
Financing Receivable, Year Two | 0 | | |
Financing Receivable, Year Three | 0 | | |
Financing Receivable, Year Four | 0 | | |
Financing Receivable, Year Five | 3,533 | | |
Financing Receivable, prior | 2,360 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 6,437 | 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 | 667 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 667 | 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 | 10,124 | | |
Financing Receivable, Year Two | 84,040 | | |
Financing Receivable, Year Three | 43,024 | | |
Financing Receivable, Year Four | 6,854 | | |
Financing Receivable, Year Five | 7,027 | | |
Financing Receivable, prior | 5,340 | | |
Financing Receivable,revolving | 2,110 | | |
Loans receivable | 158,519 | 151,145 | |
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member] | | | |
Financing Receivable, Year One | 10,124 | | |
Financing Receivable, Year Two | 84,040 | | |
Financing Receivable, Year Three | 43,024 | | |
Financing Receivable, Year Four | 6,854 | | |
Financing Receivable, Year Five | 7,027 | | |
Financing Receivable, prior | 4,336 | | |
Financing Receivable,revolving | 2,110 | | |
Loans receivable | 157,515 | 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 | 0 | | |
Financing Receivable, Year Four | 0 | | |
Financing Receivable, Year Five | 0 | | |
Financing Receivable, prior | 1,004 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 1,004 | 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 | 10,005 | | |
Financing Receivable, Year Two | 37,393 | | |
Financing Receivable, Year Three | 20,607 | | |
Financing Receivable, Year Four | 24,218 | | |
Financing Receivable, Year Five | 9,982 | | |
Financing Receivable, prior | 33,032 | | |
Financing Receivable,revolving | 4,053 | | |
Loans receivable | 139,290 | 136,334 | |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Pass [Member] | | | |
Financing Receivable, Year One | 10,005 | | |
Financing Receivable, Year Two | 36,986 | | |
Financing Receivable, Year Three | 20,607 | | |
Financing Receivable, Year Four | 23,127 | | |
Financing Receivable, Year Five | 9,799 | | |
Financing Receivable, prior | 31,413 | | |
Financing Receivable,revolving | 4,053 | | |
Loans receivable | 135,990 | 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 | 0 | | |
Financing Receivable, Year Five | 0 | | |
Financing Receivable, prior | 0 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 0 | 2,232 | |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Substandard [Member] | | | |
Financing Receivable, Year One | 0 | | |
Financing Receivable, Year Two | 407 | | |
Financing Receivable, Year Three | 0 | | |
Financing Receivable, Year Four | 1,091 | | |
Financing Receivable, Year Five | 183 | | |
Financing Receivable, prior | 1,619 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 3,300 | 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 | 611 | | |
Financing Receivable, Year Two | 5,098 | | |
Financing Receivable, Year Three | 389 | | |
Financing Receivable, Year Four | 591 | | |
Financing Receivable, Year Five | 657 | | |
Financing Receivable, prior | 2,405 | | |
Financing Receivable,revolving | 70,582 | | |
Loans receivable | 80,333 | 74,271 | 62,445 |
Home Equity Portfolio Segment [Member] | Pass [Member] | | | |
Financing Receivable, Year One | 611 | | |
Financing Receivable, Year Two | 5,098 | | |
Financing Receivable, Year Three | 389 | | |
Financing Receivable, Year Four | 591 | | |
Financing Receivable, Year Five | 657 | | |
Financing Receivable, prior | 2,291 | | |
Financing Receivable,revolving | 70,502 | | |
Loans receivable | 80,139 | 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 | 114 | | |
Financing Receivable,revolving | 80 | | |
Loans receivable | 194 | 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 | 8,111 | | |
Financing Receivable, Year Two | 10,246 | | |
Financing Receivable, Year Three | 4,517 | | |
Financing Receivable, Year Four | 2,664 | | |
Financing Receivable, Year Five | 764 | | |
Financing Receivable, prior | 1,660 | | |
Financing Receivable,revolving | 2,103 | | |
Loans receivable | 30,065 | 27,609 | 25,775 |
Consumer Portfolio Segment [Member] | Pass [Member] | | | |
Financing Receivable, Year One | 8,096 | | |
Financing Receivable, Year Two | 10,213 | | |
Financing Receivable, Year Three | 4,510 | | |
Financing Receivable, Year Four | 2,613 | | |
Financing Receivable, Year Five | 761 | | |
Financing Receivable, prior | 1,649 | | |
Financing Receivable,revolving | 2,086 | | |
Loans receivable | 29,928 | 27,560 | |
Consumer Portfolio Segment [Member] | Special Mention [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 | 0 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 0 | 10 | |
Consumer Portfolio Segment [Member] | Substandard [Member] | | | |
Financing Receivable, Year One | 15 | | |
Financing Receivable, Year Two | 33 | | |
Financing Receivable, Year Three | 7 | | |
Financing Receivable, Year Four | 51 | | |
Financing Receivable, Year Five | 3 | | |
Financing Receivable, prior | 11 | | |
Financing Receivable,revolving | 17 | | |
Loans receivable | 137 | 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 | 252,587 | 231,291 | $ 234,741 |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | | | |
Financing Receivable, Year One | 15,901 | | |
Financing Receivable, Year Two | 25,904 | | |
Financing Receivable, Year Three | 26,202 | | |
Financing Receivable, Year Four | 22,768 | | |
Financing Receivable, Year Five | 3,820 | | |
Financing Receivable, prior | 7,504 | | |
Financing Receivable,revolving | 26,985 | | |
Loans receivable | 129,084 | 127,255 | |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Pass [Member] | | | |
Financing Receivable, Year One | 15,901 | | |
Financing Receivable, Year Two | 25,832 | | |
Financing Receivable, Year Three | 26,184 | | |
Financing Receivable, Year Four | 22,643 | | |
Financing Receivable, Year Five | 3,801 | | |
Financing Receivable, prior | 7,356 | | |
Financing Receivable,revolving | 26,563 | | |
Loans receivable | 128,280 | 125,035 | |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Special Mention [Member] | | | |
Financing Receivable, Year One | 0 | | |
Financing Receivable, Year Two | 0 | | |
Financing Receivable, Year Three | 0 | | |
Financing Receivable, Year Four | 29 | | |
Financing Receivable, Year Five | 0 | | |
Financing Receivable, prior | 140 | | |
Financing Receivable,revolving | 418 | | |
Loans receivable | 587 | 1,476 | |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Substandard [Member] | | | |
Financing Receivable, Year One | 0 | | |
Financing Receivable, Year Two | 72 | | |
Financing Receivable, Year Three | 18 | | |
Financing Receivable, Year Four | 96 | | |
Financing Receivable, Year Five | 19 | | |
Financing Receivable, prior | 0 | | |
Financing Receivable,revolving | 4 | | |
Loans receivable | 209 | 736 | |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Doubtful [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 | 8 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 8 | 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 | 29,776 | | |
Financing Receivable, Year Two | 26,912 | | |
Financing Receivable, Year Three | 9,103 | | |
Financing Receivable, Year Four | 7,003 | | |
Financing Receivable, Year Five | 3,013 | | |
Financing Receivable, prior | 2,392 | | |
Financing Receivable,revolving | 45,304 | | |
Loans receivable | 123,503 | 104,036 | |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Pass [Member] | | | |
Financing Receivable, Year One | 29,776 | | |
Financing Receivable, Year Two | 26,608 | | |
Financing Receivable, Year Three | 8,917 | | |
Financing Receivable, Year Four | 6,948 | | |
Financing Receivable, Year Five | 2,150 | | |
Financing Receivable, prior | 1,733 | | |
Financing Receivable,revolving | 44,467 | | |
Loans receivable | 120,599 | 101,441 | |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Special Mention [Member] | | | |
Financing Receivable, Year One | 0 | | |
Financing Receivable, Year Two | 94 | | |
Financing Receivable, Year Three | 0 | | |
Financing Receivable, Year Four | 0 | | |
Financing Receivable, Year Five | 0 | | |
Financing Receivable, prior | 0 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | 94 | 311 | |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Substandard [Member] | | | |
Financing Receivable, Year One | 0 | | |
Financing Receivable, Year Two | 210 | | |
Financing Receivable, Year Three | 186 | | |
Financing Receivable, Year Four | 55 | | |
Financing Receivable, Year Five | 863 | | |
Financing Receivable, prior | 559 | | |
Financing Receivable,revolving | 837 | | |
Loans receivable | 2,710 | 2,182 | |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Doubtful [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 | 100 | | |
Financing Receivable,revolving | 0 | | |
Loans receivable | $ 100 | 102 | |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Unlikely to be Collected Financing Receivable [Member] | | | |
Loans receivable | | $ 0 | |