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Note 8 - Fair Value Measurements - Carrying Amount and Estimated Fair Value (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Total available-for-sale debt securities, fair value | $ 334,404 | $ 344,040
Loans held-for-sale | 277 | 1,483
Reported Value Measurement [Member] |  |
Cash and cash equivalents | 72,733 | 111,949
Held-to-maturity securities | 224,612 | 224,233
Total available-for-sale debt securities, fair value | 334,404 | 344,040
Restricted investments in bank stock | 3,959 | 3,905
Loans and leases, net | 1,678,142 | 1,666,292
Loans held-for-sale | 271 | 1,457
Accrued interest receivable | 9,398 | 9,092
Interest rate swaps | 210 | 171
Short-term borrowings | 25,000 | 117,000
Secured borrowings | 7,299 | 7,372
Accrued interest payable | 2,369 | 3,042
Interest rate swaps | 857 | 2,332
Reported Value Measurement [Member] | Deposits with No Stated Maturities [Member] |  |
Deposits | 1,946,488 | 1,945,456
Reported Value Measurement [Member] | Time Deposits [Member] |  |
Deposits | 269,508 | 212,969
Estimate of Fair Value Measurement [Member] |  |
Cash and cash equivalents | 72,733 | 111,949
Held-to-maturity securities | 193,973 | 197,176
Total available-for-sale debt securities, fair value | 334,404 | 344,040
Restricted investments in bank stock | 3,959 | 3,905
Loans and leases, net | 1,529,828 | 1,532,195
Loans held-for-sale | 277 | 1,483
Accrued interest receivable | 9,398 | 9,092
Interest rate swaps | 210 | 171
Short-term borrowings | 25,000 | 117,010
Secured borrowings | 7,802 | 8,067
Accrued interest payable | 2,369 | 3,042
Interest rate swaps | 857 | 2,332
Estimate of Fair Value Measurement [Member] | Deposits with No Stated Maturities [Member] |  |
Deposits | 1,946,488 | 1,945,456
Estimate of Fair Value Measurement [Member] | Time Deposits [Member] |  |
Deposits | 266,635 | 210,423
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Cash and cash equivalents | 72,733 | 111,949
Held-to-maturity securities | 0 | 0
Total available-for-sale debt securities, fair value | 0 | 0
Restricted investments in bank stock | 0 | 0
Loans and leases, net | 0 | 0
Loans held-for-sale | 0 | 0
Accrued interest receivable | 0 | 0
Interest rate swaps | 0 | 0
Short-term borrowings | 0 | 0
Secured borrowings | 0 | 0
Accrued interest payable | 0 | 0
Interest rate swaps | 0 | 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Deposits with No Stated Maturities [Member] |  |
Deposits | 0 | 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Time Deposits [Member] |  |
Deposits | 0 | 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Cash and cash equivalents | 0 | 0
Held-to-maturity securities | 193,973 | 197,176
Total available-for-sale debt securities, fair value | 334,404 | 344,040
Restricted investments in bank stock | 3,959 | 3,905
Loans and leases, net | 0 | 0
Loans held-for-sale | 277 | 1,483
Accrued interest receivable | 9,398 | 9,092
Interest rate swaps | 210 | 171
Short-term borrowings | 25,000 | 117,010
Secured borrowings | 0 | 0
Accrued interest payable | 2,369 | 3,042
Interest rate swaps | 857 | 2,332
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Deposits with No Stated Maturities [Member] |  |
Deposits | 1,946,488 | 1,945,456
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Time Deposits [Member] |  |
Deposits | 266,635 | 210,423
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Cash and cash equivalents | 0 | 0
Held-to-maturity securities | 0 | 0
Total available-for-sale debt securities, fair value | 0 | 0
Restricted investments in bank stock | 0 | 0
Loans and leases, net | 1,529,828 | 1,532,195
Loans held-for-sale | 0 | 0
Accrued interest receivable | 0 | 0
Interest rate swaps | 0 | 0
Short-term borrowings | 0 | 0
Secured borrowings | 7,802 | 8,067
Accrued interest payable | 0 | 0
Interest rate swaps | 0 | 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Deposits with No Stated Maturities [Member] |  |
Deposits | 0 | 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Time Deposits [Member] |  |
Deposits | $ 0 | $ 0

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