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Note 5 - Financial Instruments - Financial Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Equity securities, at fair value (Note 2) | $ 8,282 | $ 8,492
Securities available for sale, at fair value (Note 2) | 641,048 | 1,098,885
Loans to other financial institutions | 0 | 42,632
Deposits – noninterest-bearing | 565,657 | 560,931
Deposits – interest-bearing | 1,579,944 | 1,491,363
Reported Value Measurement [Member] |  |
Cash and cash equivalents | 89,976 | 31,887
Equity securities, at fair value (Note 2) | 8,282 | 8,492
Securities available for sale, at fair value (Note 2) | 641,048 | 1,098,885
Securities held to maturity | 429,918 |
Reserve Bank stock | 8,557 | 8,888
Loans held for sale | 13,450 | 9,351
Loans to other financial institutions | 0 | 42,632
Loans, net | 1,019,805 | 1,009,160
Accrued interest receivable | 9,382 | 8,211
Interest rate lock commitments | 167 | 172
Mortgage Loan Servicing Rights | 4,680 | 4,666
Deposits – noninterest-bearing | 565,657 | 560,931
Deposits – interest-bearing | 1,579,944 | 1,491,363
Borrowings | 0 |
Subordinated debentures | 35,078 | 35,017
Accrued interest payable | 181 | 441
Borrowings |  | 50,000
Estimate of Fair Value Measurement [Member] |  |
Cash and cash equivalents | 89,976 | 31,887
Equity securities, at fair value (Note 2) | 8,282 | 8,492
Securities available for sale, at fair value (Note 2) | 641,048 | 1,098,885
Securities held to maturity | 397,911 |
Reserve Bank stock | 8,557 | 8,888
Loans held for sale | 13,853 | 9,632
Loans to other financial institutions | 0 | 42,632
Loans, net | 1,001,696 | 999,393
Accrued interest receivable | 9,382 | 8,211
Interest rate lock commitments | 167 | 172
Mortgage Loan Servicing Rights | 5,537 | 5,522
Deposits – noninterest-bearing | 565,657 | 560,931
Deposits – interest-bearing | 1,577,909 | 1,491,135
Borrowings | 0 |
Subordinated debentures | 31,350 | 33,414
Accrued interest payable | 181 | 441
Borrowings |  | 50,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Cash and cash equivalents | 89,976 | 31,887
Equity securities, at fair value (Note 2) | 6,515 | 6,724
Securities available for sale, at fair value (Note 2) | 0 | 0
Securities held to maturity | 0 |
Reserve Bank stock | 0 | 0
Loans held for sale | 0 | 0
Loans to other financial institutions | 0 | 0
Loans, net | 0 | 0
Accrued interest receivable | 0 | 0
Interest rate lock commitments | 0 | 0
Mortgage Loan Servicing Rights | 0 | 0
Deposits – noninterest-bearing | 0 | 0
Deposits – interest-bearing | 0 | 0
Borrowings | 0 |
Subordinated debentures | 0 | 0
Accrued interest payable | 0 | 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) | 641,048 | 1,077,835
Securities held to maturity | 380,447 |
Reserve Bank stock | 8,557 | 8,888
Loans held for sale | 13,853 | 9,632
Loans to other financial institutions | 0 | 42,632
Loans, net | 0 | 0
Accrued interest receivable | 9,382 | 8,211
Interest rate lock commitments | 167 | 172
Mortgage Loan Servicing Rights | 5,537 | 5,522
Deposits – noninterest-bearing | 565,657 | 560,931
Deposits – interest-bearing | 1,577,909 | 1,491,135
Borrowings | 0 |
Subordinated debentures | 31,350 | 33,414
Accrued interest payable | 181 | 441
Borrowings |  | 50,000
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) | 1,767 | 1,768
Securities available for sale, at fair value (Note 2) | 0 | 21,050
Securities held to maturity | 17,464 |
Reserve Bank stock | 0 | 0
Loans held for sale | 0 | 0
Loans to other financial institutions | 0 | 0
Loans, net | 1,001,696 | 999,393
Accrued interest receivable | 0 | 0
Interest rate lock commitments | 0 | 0
Mortgage Loan Servicing Rights | 0 | 0
Deposits – noninterest-bearing | 0 | 0
Deposits – interest-bearing | 0 | 0
Borrowings | 0 |
Subordinated debentures | 0 | 0
Accrued interest payable | $ 0 | 0
Borrowings |  | $ 0

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