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Note 5 - Allowance for Loan Losses - Allowance for Loan Losses on PCI Loans and Recorded Investment in Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Allowance for Acquired Impaired Loans Evaluated | $ 8 | $ 12
Acquired Impaired Loans Evaluated for Impairment | 23,446 | 28,429
Commercial Portfolio Segment [Member] |  |
Allowance for Acquired Impaired Loans Evaluated |  |
Acquired Impaired Loans Evaluated for Impairment | 5,062 | 5,846
Commercial Portfolio Segment [Member] | Waccamaw Commercial [Member] |  |
Allowance for Acquired Impaired Loans Evaluated |  |
Acquired Impaired Loans Evaluated for Impairment |  | 260
Commercial Portfolio Segment [Member] | Peoples Commercial [Member] |  |
Allowance for Acquired Impaired Loans Evaluated |  |
Acquired Impaired Loans Evaluated for Impairment | 4,021 | 4,491
Commercial Portfolio Segment [Member] | Other Commercial Loan [Member] |  |
Allowance for Acquired Impaired Loans Evaluated |  |
Acquired Impaired Loans Evaluated for Impairment | 1,041 | 1,095
Consumer Real Estate Portfolio Segment [Member] |  |
Allowance for Acquired Impaired Loans Evaluated | 8 | 12
Acquired Impaired Loans Evaluated for Impairment | 18,384 | 22,583
Consumer Real Estate Portfolio Segment [Member] | Waccamaw Serviced Home Equity Lines [Member] |  |
Allowance for Acquired Impaired Loans Evaluated |  |
Acquired Impaired Loans Evaluated for Impairment | 16,167 | 20,178
Consumer Real Estate Portfolio Segment [Member] | Waccamaw Residential [Member] |  |
Allowance for Acquired Impaired Loans Evaluated |  |
Acquired Impaired Loans Evaluated for Impairment | 1,175 | 1,320
Consumer Real Estate Portfolio Segment [Member] | Peoples Residential [Member] |  |
Allowance for Acquired Impaired Loans Evaluated | 8 | 12
Acquired Impaired Loans Evaluated for Impairment | $ 1,042 | $ 1,085

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