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Note 3 - Loans Receivable - Collateral-dependent Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Loans receivable | $ 1,519,286 | $ 1,519,019
Real Estate [Member] |  |
Loans receivable | 2,783 | 2,341
Business Assets [Member] |  |
Loans receivable | 5,532 | 3,619
Other [Member] |  |
Loans receivable | 172 | 216
Residential Portfolio Segment [Member] |  |
Loans receivable | 188,784 | 183,793
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] |  |
Loans receivable | 145,070 | 148,515
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Real Estate [Member] |  |
Loans receivable | 883 | 822
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Business Assets [Member] |  |
Loans receivable | 0 | 0
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Other [Member] |  |
Loans receivable | 0 | 0
Commercial Real Estate Portfolio Segment [Member] |  |
Loans receivable | 926,631 | 918,839
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] |  |
Loans receivable | 667,685 | 635,970
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Real Estate [Member] |  |
Loans receivable | 95 | 97
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Business Assets [Member] |  |
Loans receivable | 2,936 | 492
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Other [Member] |  |
Loans receivable | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Commercial Construction and Development Portfolio Segment [Member] | Real Estate [Member] |  |
Loans receivable | 1 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Construction and Development Portfolio Segment [Member] | Business Assets [Member] |  |
Loans receivable | 0 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Construction and Development Portfolio Segment [Member] | Other [Member] |  |
Loans receivable | 0 |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] |  |
Loans receivable | 160,664 | 162,580
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Real Estate [Member] |  |
Loans receivable | 1,361 | 1,143
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Business Assets [Member] |  |
Loans receivable | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Other [Member] |  |
Loans receivable | 0 | 0
Commercial Construction and Development Portfolio Segment [Member] | Real Estate [Member] |  |
Loans receivable |  | 1
Commercial Construction and Development Portfolio Segment [Member] | Business Assets [Member] |  |
Loans receivable |  | 0
Commercial Construction and Development Portfolio Segment [Member] | Other [Member] |  |
Loans receivable |  | 0
Home Equity Portfolio Segment [Member] |  |
Loans receivable | 109,278 | 108,073
Home Equity Portfolio Segment [Member] | Real Estate [Member] |  |
Loans receivable | 414 | 278
Home Equity Portfolio Segment [Member] | Business Assets [Member] |  |
Loans receivable | 0 | 0
Home Equity Portfolio Segment [Member] | Other [Member] |  |
Loans receivable | 0 | 0
Consumer Portfolio Segment [Member] |  |
Loans receivable | 23,154 | 24,424
Consumer Portfolio Segment [Member] | Real Estate [Member] |  |
Loans receivable | 0 | 0
Consumer Portfolio Segment [Member] | Business Assets [Member] |  |
Loans receivable | 0 | 0
Consumer Portfolio Segment [Member] | Other [Member] |  |
Loans receivable | 168 | 202
Commercial Portfolio Segment [Member] |  |
Loans receivable | 271,439 | 283,890
Commercial Portfolio Segment [Member] | Commercial Loans [Member] |  |
Loans receivable | 151,580 | 149,431
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Real Estate [Member] |  |
Loans receivable | 0 | 0
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Business Assets [Member] |  |
Loans receivable | 366 | 482
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Other [Member] |  |
Loans receivable | 4 | 14
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] |  |
Loans receivable | 119,859 | 134,459
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Real Estate [Member] |  |
Loans receivable | 29 | 0
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Business Assets [Member] |  |
Loans receivable | 2,230 | 2,645
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Other [Member] |  |
Loans receivable | $ 0 | $ 0

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