Covered Loan Portfolio, Disaggregated by Class (Detail) - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
$ 61,837
|
$ 83,035
|
| Commercial Loans |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
15,761
|
25,529
|
| Commercial Loans | Construction Development And Other Land |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
4,699
|
6,303
|
| Commercial Loans | Commercial and Industrial Loans |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
941
|
1,170
|
| Commercial Loans | Multi-family Residential |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
43
|
640
|
| Commercial Loans | Single-family Non-owner Occupied |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
1,328
|
2,674
|
| Commercial Loans | Non-farm Non-residential Loan |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
8,312
|
14,065
|
| Commercial Loans | Agricultural |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
26
|
34
|
| Commercial Loans | Farmland Loan |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
412
|
643
|
| Consumer Real Estate |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
45,996
|
57,422
|
| Consumer Real Estate | Home Equity Lines |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
38,737
|
48,565
|
| Consumer Real Estate | Single Family Owner Occupied |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
7,058
|
8,595
|
| Consumer Real Estate | Owner Occupied Construction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
201
|
262
|
| Consumer and Other Loans | Consumer Loan |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Covered under loss share agreements |
$ 80
|
$ 84
|