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Note 8 - Loans - Troubled Debt Restructuring (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($)
No. of Contracts | 1 | 11
Pre-Modification Outstanding Recorded Investment | $ 1,948 | $ 17,551
Post-Modification Outstanding Recorded Investment | 1,622 | 17,551
Charge-offs |  |
Specific reserve |  | $ 142
Commercial Portfolio Segment [Member] |  |
No. of Contracts | 1 | 3
Pre-Modification Outstanding Recorded Investment | $ 1,948 | $ 2,463
Post-Modification Outstanding Recorded Investment | 1,622 | 2,463
Charge-offs |  |
Specific reserve |  |
Commercial Real Estate Portfolio Segment [Member] |  |
No. of Contracts |  | 6
Pre-Modification Outstanding Recorded Investment |  | $ 14,287
Post-Modification Outstanding Recorded Investment |  | 14,287
Charge-offs |  |
Specific reserve |  | $ 134
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |
No. of Contracts |  | 2
Pre-Modification Outstanding Recorded Investment |  | $ 801
Post-Modification Outstanding Recorded Investment |  | 801
Charge-offs |  |
Specific reserve |  | $ 8

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