Activity in Accretable Yield on PCI loans, by Acquisition (Detail) - USD ($) $ in Thousands |
9 Months Ended |
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
|