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Note 4 - Loans and Allowance for Loan Losses - TDR Loan Modifications (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Troubled Debt Restructuring | $ 16,845 | $ 16,043
Residential Portfolio Segment [Member] | Interest Only Payments [Member] |  |
Troubled Debt Restructuring | 702 | 717
Residential Portfolio Segment [Member] | Extended Maturity [Member] |  |
Troubled Debt Restructuring | 230 |
Residential Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] |  |
Troubled Debt Restructuring | 412 |
Commercial Real Estate Portfolio Segment [Member] | Interest Only Payments [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring | 94 | 284
Commercial Real Estate Portfolio Segment [Member] | Interest Only Payments [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Troubled Debt Restructuring | 2,675 | 2,810
Commercial Real Estate Portfolio Segment [Member] | Extended Maturity [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring | 1,497 | 1,582
Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring |  | 232
Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Troubled Debt Restructuring | 375 | 384
Commercial Real Estate Portfolio Segment [Member] | Reduction of Principal and Interest Payments [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring | 560 | 579
Commercial Real Estate Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring |  | 574
Commercial Real Estate Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Troubled Debt Restructuring | 570 |
Commercial and Industrial Portfolio Segment [Member] | Interest Only Payments [Member] |  |
Troubled Debt Restructuring | 8,752 | 8,074
Commercial and Industrial Portfolio Segment [Member] | Extended Maturity [Member] |  |
Troubled Debt Restructuring | 770 |
Commercial and Industrial Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] |  |
Troubled Debt Restructuring |  | 391
Consumer Portfolio Segment [Member] | Extended Maturity [Member] | Home Equity Loan [Member] |  |
Troubled Debt Restructuring | 208 | 213
Consumer Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] | Home Equity Loan [Member] |  |
Troubled Debt Restructuring |  | 203
Performing Financial Instruments [Member] |  |
Troubled Debt Restructuring | 14,522 | 13,210
Performing Financial Instruments [Member] | Residential Portfolio Segment [Member] | Interest Only Payments [Member] |  |
Troubled Debt Restructuring | 702 | 717
Performing Financial Instruments [Member] | Residential Portfolio Segment [Member] | Extended Maturity [Member] |  |
Troubled Debt Restructuring | 230 |
Performing Financial Instruments [Member] | Residential Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] |  |
Troubled Debt Restructuring | 412 |
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Only Payments [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring | 94 | 284
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Only Payments [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Troubled Debt Restructuring | 560 | 600
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Extended Maturity [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring | 1,497 | 1,582
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Troubled Debt Restructuring | 375 | 384
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Reduction of Principal and Interest Payments [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring | 560 | 579
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring |  | 574
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Troubled Debt Restructuring | 570 |
Performing Financial Instruments [Member] | Commercial and Industrial Portfolio Segment [Member] | Interest Only Payments [Member] |  |
Troubled Debt Restructuring | 8,752 | 8,074
Performing Financial Instruments [Member] | Commercial and Industrial Portfolio Segment [Member] | Extended Maturity [Member] |  |
Troubled Debt Restructuring | 770 |
Performing Financial Instruments [Member] | Commercial and Industrial Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] |  |
Troubled Debt Restructuring |  |
Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] | Extended Maturity [Member] | Home Equity Loan [Member] |  |
Troubled Debt Restructuring |  | 213
Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] | Home Equity Loan [Member] |  |
Troubled Debt Restructuring |  | 203
Nonperforming Financial Instruments [Member] |  |
Troubled Debt Restructuring | 2,323 | 2,833
Nonperforming Financial Instruments [Member] | Residential Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] |  |
Troubled Debt Restructuring |  |
Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Only Payments [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Troubled Debt Restructuring | 2,115 | 2,210
Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Troubled Debt Restructuring |  | 232
Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Troubled Debt Restructuring |  |
Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Troubled Debt Restructuring |  |
Nonperforming Financial Instruments [Member] | Commercial and Industrial Portfolio Segment [Member] | Extended Maturity [Member] |  |
Troubled Debt Restructuring |  |
Nonperforming Financial Instruments [Member] | Commercial and Industrial Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] |  |
Troubled Debt Restructuring |  | 391
Nonperforming Financial Instruments [Member] | Consumer Portfolio Segment [Member] | Extended Maturity [Member] | Home Equity Loan [Member] |  |
Troubled Debt Restructuring | $ 208 |
Nonperforming Financial Instruments [Member] | Consumer Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] | Home Equity Loan [Member] |  |
Troubled Debt Restructuring |  |

X
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