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Note 18 - Financial Instruments - Financial Instruments (Details) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Equity securities, at fair value (Note 2) | $ 8,566,000 | $ 8,492,000
Securities available for sale, at fair value (Note 2) | 529,749,000 | 1,098,885,000
Mortgage loan servicing rights | 5,855,000 | 5,521,000
Deposits – noninterest-bearing (Note 9) | 599,579,000 | 560,931,000
Deposits – interest-bearing (Note 9) | 1,518,424,000 | 1,491,363,000
Loans to other financial institutions | 0 | 42,632,000
Reported Value Measurement [Member] |  |
Cash and cash equivalents | 43,943,000 | 31,887,000
Equity securities, at fair value (Note 2) | 8,566,000 | 8,492,000
Securities available for sale, at fair value (Note 2) | 529,749,000 | 1,098,885,000
Securities held to maturity | 425,906,000 |
Federal Home Loan Bank and Federal Reserve Bank stock | 8,581,000 | 8,888,000
Loans held for sale | 4,834,000 | 9,351,000
Loans, net | 1,182,163,000 | 1,009,160,000
Accrued interest receivable | 8,949,000 | 8,211,000
Interest rate lock commitments | 28,000 | 172,000
Mortgage loan servicing rights | 4,322,000 |
Interest rate contracts | 9,204,000 |
Deposits – noninterest-bearing (Note 9) | 599,579,000 | 560,931,000
Deposits – interest-bearing (Note 9) | 1,518,424,000 | 1,491,363,000
Borrowings | 50,000,000 |
Subordinated debentures | 35,262,000 | 35,017,000
Accrued interest payable | 610,000 | 441,000
Interest rate derivative contracts - liabilities | 5,823,000 |
Loans to other financial institutions |  | 42,632,000
Borrowings |  | 50,000,000
Estimate of Fair Value Measurement [Member] |  |
Cash and cash equivalents | 43,943,000 | 31,887,000
Equity securities, at fair value (Note 2) | 8,566,000 | 8,492,000
Securities available for sale, at fair value (Note 2) | 529,749,000 | 1,098,885,000
Securities held to maturity | 353,901,000 |
Federal Home Loan Bank and Federal Reserve Bank stock | 8,581,000 | 8,888,000
Loans held for sale | 4,979,000 | 9,632,000
Loans, net | 1,123,198,000 | 999,393,000
Accrued interest receivable | 8,949,000 | 8,211,000
Interest rate lock commitments | 28,000 | 172,000
Mortgage loan servicing rights | 5,855,000 |
Interest rate contracts | 9,204,000 |
Deposits – noninterest-bearing (Note 9) | 599,579,000 | 560,931,000
Deposits – interest-bearing (Note 9) | 1,514,294,000 | 1,491,135,000
Borrowings | 50,000,000 |
Subordinated debentures | 30,304,000 | 33,414,000
Accrued interest payable | 610,000 | 441,000
Interest rate derivative contracts - liabilities | 5,823,000 |
Loans to other financial institutions |  | 42,632,000
Borrowings |  | 50,000,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Cash and cash equivalents | 43,943,000 | 31,887,000
Equity securities, at fair value (Note 2) | 6,024,000 | 6,724,000
Securities available for sale, at fair value (Note 2) | 78,204,000 | 91,979,000
Securities held to maturity | 0 |
Federal Home Loan Bank and Federal Reserve Bank stock | 0 | 0
Loans held for sale | 0 | 0
Loans, net | 0 | 0
Accrued interest receivable | 0 | 0
Interest rate lock commitments | 0 | 0
Mortgage loan servicing rights | 0 |
Interest rate contracts | 0 |
Deposits – noninterest-bearing (Note 9) | 0 | 0
Deposits – interest-bearing (Note 9) | 0 | 0
Borrowings | 0 |
Subordinated debentures | 0 | 0
Accrued interest payable | 0 | 0
Interest rate derivative contracts - liabilities | 0 |
Loans to other financial institutions |  | 0
Borrowings |  | 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Cash and cash equivalents | 0 | 0
Equity securities, at fair value (Note 2) | 0 | 0
Securities available for sale, at fair value (Note 2) | 451,545,000 | 985,856,000
Securities held to maturity | 338,583,000 |
Federal Home Loan Bank and Federal Reserve Bank stock | 8,581,000 | 8,888,000
Loans held for sale | 4,979,000 | 9,632,000
Loans, net | 0 | 0
Accrued interest receivable | 8,949,000 | 8,211,000
Interest rate lock commitments | 28,000 | 172,000
Mortgage loan servicing rights | 5,855,000 |
Interest rate contracts | 9,204,000 |
Deposits – noninterest-bearing (Note 9) | 599,579,000 | 560,931,000
Deposits – interest-bearing (Note 9) | 1,514,294,000 | 1,491,135,000
Borrowings | 50,000,000 |
Subordinated debentures | 30,304,000 | 33,414,000
Accrued interest payable | 610,000 | 441,000
Interest rate derivative contracts - liabilities | 5,823,000 |
Loans to other financial institutions |  | 42,632,000
Borrowings |  | 50,000,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Cash and cash equivalents | 0 | 0
Equity securities, at fair value (Note 2) | 2,542,000 | 1,768,000
Securities available for sale, at fair value (Note 2) | 0 | 21,050,000
Securities held to maturity | 15,318,000 |
Federal Home Loan Bank and Federal Reserve Bank stock | 0 | 0
Loans held for sale | 0 | 0
Loans, net | 1,123,198,000 | 999,393,000
Accrued interest receivable | 0 | 0
Interest rate lock commitments | 0 | 0
Mortgage loan servicing rights | 0 |
Interest rate contracts | 0 |
Deposits – noninterest-bearing (Note 9) | 0 | 0
Deposits – interest-bearing (Note 9) | 0 | 0
Borrowings | 0 |
Subordinated debentures | 0 | 0
Accrued interest payable | 0 | 0
Interest rate derivative contracts - liabilities | $ 0 |
Loans to other financial institutions |  | 0
Borrowings |  | $ 0

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