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Note 15 - Financial Derivatives - Cash Flow Swap Hedges (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Unrealized loss, net of taxes |  | $ 3,054 | $ 1,263 |
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] |  |  |  |
Notional |  | $ 119,136 |  | $ 119,136
Weighted average fixed rate-pay |  | 2.61% |  | 2.61%
Weighted average variable rate-receive |  | 0.85% |  | 0.16%
Unrealized loss, net of taxes | [1] | $ (222) |  | $ (3,276)
Periodic net settlement of swaps | [2] | $ 689 | $ 711 |
[1] | Included in other comprehensive income.
[2] | the amount of periodic net settlement of interest rate swaps was included in interest expense.

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