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Activity in Accretable Yield on PCI loans, by Acquisition (Detail) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, accretable Yield |  |
Accretable yield, Beginning Balance | $ 29,698 | $ 23,793
Additions |  | 2
Accretion | (5,390) | (6,975)
Reclassifications from nonaccretable difference | 1,079 | 3,808
Removals, extensions, and other events, net | 1,778 | 5,176
Accretable yield, Ending Balance | 27,165 | 25,804
Peoples |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, accretable Yield |  |
Accretable yield, Beginning Balance | 3,589 | 4,745
Accretion | (982) | (1,906)
Reclassifications from nonaccretable difference | 231 | 583
Removals, extensions, and other events, net | 1,774 | (27)
Accretable yield, Ending Balance | 4,612 | 3,395
Waccamaw Bank |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, accretable Yield |  |
Accretable yield, Beginning Balance | 26,109 | 19,048
Additions |  | 2
Accretion | (4,408) | (5,069)
Reclassifications from nonaccretable difference | 848 | 3,225
Removals, extensions, and other events, net | 4 | 5,203
Accretable yield, Ending Balance | $ 22,553 | $ 22,409

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- Definition Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Removals, Extensions, and Other Events of Loans + References No definition available. + Details
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- Definition Amount of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. + 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)(2) -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 + Details
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- Definition Amount of accretion recognized for the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities, with evidence of deterioration of credit quality. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition Amount of additions to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition Amount of reclassification (to) from nonaccretable difference (from) to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. + 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)(2) -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 + Details
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