|
Business Combinations - Summary of Loans at Acquisition Date (Detail) (USD $)
In Thousands, unless otherwise specified
|
Dec. 15, 2014
|
| Loans At Acquisition Date [Line Items] |
|
| Acquired Impaired Loans |
$ 9,027 |
| Acquired Performing Loans |
140,899 |
| Total Acquired Loans |
149,926 |
| Commercial, financial, and agricultural [Member] |
|
| Loans At Acquisition Date [Line Items] |
|
| Acquired Impaired Loans |
929 |
| Acquired Performing Loans |
22,274 |
| Total Acquired Loans |
23,203 |
| Real estate - mortgage [Member] |
|
| Loans At Acquisition Date [Line Items] |
|
| Acquired Impaired Loans |
6,844 |
| Acquired Performing Loans |
105,361 |
| Total Acquired Loans |
112,205 |
| Real estate - construction [Member] |
|
| Loans At Acquisition Date [Line Items] |
|
| Acquired Impaired Loans |
918 |
| Acquired Performing Loans |
7,377 |
| Total Acquired Loans |
8,295 |
| Consumer [Member] |
|
| Loans At Acquisition Date [Line Items] |
|
| Acquired Impaired Loans |
336 |
| Acquired Performing Loans |
5,887 |
| Total Acquired Loans |
$ 6,223 |