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Note 5 - Allowance for Loan Losses - Allowance for Loan Losses on PCI Loans and Recorded Investment (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Acquired impaired loans evaluated for impairment | $ 16,181 | $ 18,440
Allowance for acquired impaired loans |  |
Commercial Portfolio Segment [Member] |  |
Acquired impaired loans evaluated for impairment | 6,732 | 5,329
Allowance for acquired impaired loans |  |
Commercial Portfolio Segment [Member] | Waccamaw Commercial [Member] |  |
Acquired impaired loans evaluated for impairment | 1,330 | 64
Allowance for acquired impaired loans |  |
Commercial Portfolio Segment [Member] | Peoples Commercial [Member] |  |
Acquired impaired loans evaluated for impairment | 4,479 | 4,279
Allowance for acquired impaired loans |  |
Commercial Portfolio Segment [Member] | Other Commercial Loan [Member] |  |
Acquired impaired loans evaluated for impairment | 923 | 986
Allowance for acquired impaired loans |  |
Consumer Real Estate Portfolio Segment [Member] |  |
Acquired impaired loans evaluated for impairment | 9,449 | 13,111
Allowance for acquired impaired loans |  |
Consumer Real Estate Portfolio Segment [Member] | Waccamaw Serviced Home Equity Lines [Member] |  |
Acquired impaired loans evaluated for impairment | 7,662 | 11,118
Allowance for acquired impaired loans |  |
Consumer Real Estate Portfolio Segment [Member] | Waccamaw Residential [Member] |  |
Acquired impaired loans evaluated for impairment | 823 | 994
Allowance for acquired impaired loans |  |
Consumer Real Estate Portfolio Segment [Member] | Peoples Residential [Member] |  |
Acquired impaired loans evaluated for impairment | 964 | 999
Allowance for acquired impaired loans |  |

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- Details
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- Details
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- Details
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