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Note 4 - Loans - Accruing Troubled Debt Restructurings (Details) - Accruing Troubled Debt Restructuring [Member] - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accruing TDRs | $ 12,837 | $ 27,721
Payment Deferral [Member] |  |
Accruing TDRs | 5,270 | 6,222
Contractual Interest Rate Reduction [Member] |  |
Accruing TDRs | 5,771 | 5,910
Rate Reduction and Payment Deferral [Member] |  |
Accruing TDRs | 1,796 | 15,589
Commercial Portfolio Segment [Member] |  |
Accruing TDRs | 3,368 | 3,983
Commercial Portfolio Segment [Member] | Payment Deferral [Member] |  |
Accruing TDRs | 3,368 | 3,983
Commercial Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member] |  |
Accruing TDRs | 0 | 0
Commercial Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member] |  |
Accruing TDRs | 0 | 0
Commercial Real Estate Portfolio Segment [Member] |  |
Accruing TDRs | 6,128 | 19,575
Commercial Real Estate Portfolio Segment [Member] | Payment Deferral [Member] |  |
Accruing TDRs | 438 | 515
Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member] |  |
Accruing TDRs | 5,522 | 5,635
Commercial Real Estate Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member] |  |
Accruing TDRs | 168 | 13,425
Residential Portfolio Segment [Member] |  |
Accruing TDRs | 3,341 | 4,163
Residential Portfolio Segment [Member] | Payment Deferral [Member] |  |
Accruing TDRs | 1,464 | 1,724
Residential Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member] |  |
Accruing TDRs | 249 | 275
Residential Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member] |  |
Accruing TDRs | $ 1,628 | $ 2,164

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