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Note 6 - Allowance for Loan Losses - Allowance for Loan Losses on PCI Loans and Recorded Investment (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Acquired impaired loans evaluated for impairment	$ 18,440	$ 28,429
Allowance for acquired impaired loans		12
Commercial Portfolio Segment [Member]
Acquired impaired loans evaluated for impairment	5,329	5,846
Allowance for acquired impaired loans
Commercial Portfolio Segment [Member] | Waccamaw Commercial [Member]
Acquired impaired loans evaluated for impairment	64	260
Allowance for acquired impaired loans
Commercial Portfolio Segment [Member] | Peoples Commercial [Member]
Acquired impaired loans evaluated for impairment	4,279	4,491
Allowance for acquired impaired loans
Commercial Portfolio Segment [Member] | Other Commercial Loan [Member]
Acquired impaired loans evaluated for impairment	986	1,095
Allowance for acquired impaired loans
Consumer Real Estate Portfolio Segment [Member]
Acquired impaired loans evaluated for impairment	13,111	22,583
Allowance for acquired impaired loans		12
Consumer Real Estate Portfolio Segment [Member] | Waccamaw Serviced Home Equity Lines [Member]
Acquired impaired loans evaluated for impairment	11,118	20,178
Allowance for acquired impaired loans
Consumer Real Estate Portfolio Segment [Member] | Waccamaw Residential [Member]
Acquired impaired loans evaluated for impairment	994	1,320
Allowance for acquired impaired loans
Consumer Real Estate Portfolio Segment [Member] | Peoples Residential [Member]
Acquired impaired loans evaluated for impairment	999	1,085
Allowance for acquired impaired loans		$ 12

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- Definition

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