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Carrying and Contractual Unpaid Principal Balance of PCI loans, by Acquisition (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 22,519	$ 16,660
PCI loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Balance	46,239	62,283
Unpaid Principal Balance	80,825	101,711
Peoples | PCI loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Balance	6,277	7,090
Unpaid Principal Balance	11,505	13,669
Waccamaw Bank | PCI loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Balance	38,681	53,835
Unpaid Principal Balance	67,996	86,641
Other | PCI loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Balance	1,281	1,358
Unpaid Principal Balance	$ 1,324	$ 1,401

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+ References

No definition available.

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- Definition

The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 310



-SubTopic 30



-Section 50



-Paragraph 2



-Subparagraph (a)(1)



-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 310



-SubTopic 30



-Section 15



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538

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- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 310



-SubTopic 10



-Section 50



-Paragraph 15



-Subparagraph (a)(4)



-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

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