Allowance for Loan Losses and Recorded Investment in Loans, Evaluated for Impairment Excluding PCI Loans, by Loan Class (Detail) - USD ($)
$ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Individually Evaluated for Impairment |
$ 16,794
|
$ 22,718
|
| Allowance for Loans Individually Evaluated |
2,803
|
2,371
|
| Loans Collectively Evaluated for Impairment |
1,787,794
|
1,641,181
|
| Allowance for Loans Collectively Evaluated |
16,818
|
17,808
|
| Commercial Loans |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Individually Evaluated for Impairment |
11,232
|
15,495
|
| Allowance for Loans Individually Evaluated |
1,950
|
1,692
|
| Loans Collectively Evaluated for Impairment |
1,041,428
|
895,984
|
| Allowance for Loans Collectively Evaluated |
11,036
|
11,440
|
| Commercial Loans | Construction Development And Other Land |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Collectively Evaluated for Impairment |
53,181
|
53,437
|
| Allowance for Loans Collectively Evaluated |
813
|
1,119
|
| Commercial Loans | Commercial and Industrial Loans |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Collectively Evaluated for Impairment |
91,274
|
89,885
|
| Allowance for Loans Collectively Evaluated |
473
|
504
|
| Commercial Loans | Multi-family Residential |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Individually Evaluated for Impairment |
292
|
|
| Loans Collectively Evaluated for Impairment |
127,176
|
95,486
|
| Allowance for Loans Collectively Evaluated |
1,259
|
1,535
|
| Commercial Loans | Single-family Non-owner Occupied |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Individually Evaluated for Impairment |
1,131
|
1,401
|
| Allowance for Loans Individually Evaluated |
107
|
124
|
| Loans Collectively Evaluated for Impairment |
141,624
|
147,209
|
| Allowance for Loans Collectively Evaluated |
2,553
|
3,245
|
| Commercial Loans | Non-farm, Non-residential |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Individually Evaluated for Impairment |
9,809
|
14,094
|
| Allowance for Loans Individually Evaluated |
1,843
|
1,568
|
| Loans Collectively Evaluated for Impairment |
589,975
|
478,839
|
| Allowance for Loans Collectively Evaluated |
5,706
|
4,825
|
| Commercial Loans | Agricultural |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Collectively Evaluated for Impairment |
5,812
|
2,945
|
| Allowance for Loans Collectively Evaluated |
41
|
22
|
| Commercial Loans | Farmland Loan |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Collectively Evaluated for Impairment |
32,386
|
28,183
|
| Allowance for Loans Collectively Evaluated |
191
|
190
|
| Consumer Real Estate |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Individually Evaluated for Impairment |
5,562
|
7,223
|
| Allowance for Loans Individually Evaluated |
853
|
679
|
| Loans Collectively Evaluated for Impairment |
666,894
|
665,775
|
| Allowance for Loans Collectively Evaluated |
5,079
|
5,678
|
| Consumer Real Estate | Home Equity Lines |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Collectively Evaluated for Impairment |
124,589
|
126,691
|
| Allowance for Loans Collectively Evaluated |
967
|
1,091
|
| Consumer Real Estate | Single Family Owner Occupied |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Individually Evaluated for Impairment |
5,220
|
6,874
|
| Allowance for Loans Individually Evaluated |
853
|
672
|
| Loans Collectively Evaluated for Impairment |
498,561
|
495,761
|
| Allowance for Loans Collectively Evaluated |
3,766
|
4,297
|
| Consumer Real Estate | Owner Occupied Construction |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Individually Evaluated for Impairment |
342
|
349
|
| Allowance for Loans Individually Evaluated |
|
7
|
| Loans Collectively Evaluated for Impairment |
43,744
|
43,323
|
| Allowance for Loans Collectively Evaluated |
346
|
290
|
| Consumer and Other |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Collectively Evaluated for Impairment |
79,472
|
79,422
|
| Allowance for Loans Collectively Evaluated |
703
|
690
|
| Consumer and Other | Consumer Loan |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Collectively Evaluated for Impairment |
76,443
|
72,084
|
| Allowance for Loans Collectively Evaluated |
703
|
690
|
| Consumer and Other | Other Loans |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans Collectively Evaluated for Impairment |
$ 3,029
|
$ 7,338
|