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Note 5 - Financial Instruments - Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Equity securities, at fair value (Note 2) | $ 8,288 | $ 8,492
Securities available for sale, at fair value (Note 2) | 566,142 | 1,098,885
Loans to other financial institutions | 37,422 | 42,632
Deposits – noninterest-bearing | 578,927 | 560,931
Deposits – interest-bearing | 1,559,577 | 1,491,363
Reported Value Measurement [Member] |  |
Cash and cash equivalents | 40,296 | 31,887
Equity securities, at fair value (Note 2) | 8,288 | 8,492
Securities available for sale, at fair value (Note 2) | 566,142 | 1,098,885
Securities held to maturity | 429,675 |
Reserve Bank stock | 8,557 | 8,888
Loans held for sale | 10,628 | 9,351
Loans to other financial institutions | 37,422 | 42,632
Loans, net | 1,073,973 | 1,009,160
Accrued interest receivable | 8,239 | 8,211
Interest rate lock commitments | 140 | 172
Mortgage Loan Servicing Rights | 4,679 | 4,666
Interest rate contracts | 14,209 |
Deposits – noninterest-bearing | 578,927 | 560,931
Deposits – interest-bearing | 1,559,577 | 1,491,363
Borrowings | 7,000 |
Subordinated debentures | 35,140 | 35,017
Accrued interest payable | 418 | 441
Interest rate contracts | 2,393 |
Borrowings |  | 50,000
Estimate of Fair Value Measurement [Member] |  |
Cash and cash equivalents | 40,296 | 31,887
Equity securities, at fair value (Note 2) | 8,288 | 8,492
Securities available for sale, at fair value (Note 2) | 566,142 | 1,098,885
Securities held to maturity | 372,667 |
Reserve Bank stock | 8,557 | 8,888
Loans held for sale | 10,947 | 9,632
Loans to other financial institutions | 37,422 | 42,632
Loans, net | 1,037,946 | 999,393
Accrued interest receivable | 8,239 | 8,211
Interest rate lock commitments | 140 | 172
Mortgage Loan Servicing Rights | 5,932 | 5,522
Interest rate contracts | 14,209 |
Deposits – noninterest-bearing | 578,927 | 560,931
Deposits – interest-bearing | 1,556,523 | 1,491,135
Borrowings | 6,995 |
Subordinated debentures | 30,785 | 33,414
Accrued interest payable | 418 | 441
Interest rate contracts | 2,393 |
Borrowings |  | 50,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Cash and cash equivalents | 40,296 | 31,887
Equity securities, at fair value (Note 2) | 6,462 | 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
Interest rate contracts | 0 |
Deposits – noninterest-bearing | 0 | 0
Deposits – interest-bearing | 0 | 0
Borrowings | 0 |
Subordinated debentures | 0 | 0
Accrued interest payable | 0 | 0
Interest rate contracts | 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) | 566,142 | 1,077,835
Securities held to maturity | 357,723 |
Reserve Bank stock | 8,557 | 8,888
Loans held for sale | 10,947 | 9,632
Loans to other financial institutions | 37,422 | 42,632
Loans, net | 0 | 0
Accrued interest receivable | 8,239 | 8,211
Interest rate lock commitments | 140 | 172
Mortgage Loan Servicing Rights | 5,932 | 5,522
Interest rate contracts | 14,209 |
Deposits – noninterest-bearing | 578,927 | 560,931
Deposits – interest-bearing | 1,556,523 | 1,491,135
Borrowings | 6,995 |
Subordinated debentures | 30,785 | 33,414
Accrued interest payable | 418 | 441
Interest rate contracts | 2,393 |
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) | 1,826 | 1,768
Securities available for sale, at fair value (Note 2) | 0 | 21,050
Securities held to maturity | 14,944 |
Reserve Bank stock | 0 | 0
Loans held for sale | 0 | 0
Loans to other financial institutions | 0 | 0
Loans, net | 1,037,946 | 999,393
Accrued interest receivable | 0 | 0
Interest rate lock commitments | 0 | 0
Mortgage Loan Servicing Rights | 0 | 0
Interest rate contracts | 0 |
Deposits – noninterest-bearing | 0 | 0
Deposits – interest-bearing | 0 | 0
Borrowings | 0 |
Subordinated debentures | 0 | 0
Accrued interest payable | 0 | 0
Interest rate contracts | $ 0 |
Borrowings |  | $ 0

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