Note 4 - Loans and Allowance for Loan Losses - Recorded Investment In Nonperforming Loans by Class of Loans (Details) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Nonaccrual |
$ 6,423
|
$ 8,380
|
| Restructured Loans |
22,942
|
23,831
|
| Loans Past Due 90 Days or More and Still Accruing |
0
|
0
|
| Real Estate Portfolio Segment [Member] | Real Estate Construction and Land Development [Member] |
|
|
| Nonaccrual |
712
|
1,567
|
| Restructured Loans |
3,637
|
3,674
|
| Loans Past Due 90 Days or More and Still Accruing |
0
|
0
|
| Real Estate Portfolio Segment [Member] | Real Estate Mortgage Residential [Member] |
|
|
| Nonaccrual |
2,316
|
2,485
|
| Restructured Loans |
4,006
|
4,127
|
| Loans Past Due 90 Days or More and Still Accruing |
0
|
0
|
| Real Estate Portfolio Segment [Member] | Real Estate Mortgage Farmland and Other Commercial Enterprises [Member] |
|
|
| Nonaccrual |
3,383
|
4,266
|
| Restructured Loans |
14,787
|
15,503
|
| Loans Past Due 90 Days or More and Still Accruing |
0
|
0
|
| Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |
|
|
| Nonaccrual |
|
44
|
| Restructured Loans |
377
|
384
|
| Loans Past Due 90 Days or More and Still Accruing |
0
|
0
|
| Commercial Portfolio Segment [Member] | Commercial Other [Member] |
|
|
| Nonaccrual |
|
8
|
| Restructured Loans |
|
0
|
| Loans Past Due 90 Days or More and Still Accruing |
0
|
0
|
| Consumer Portfolio Segment [Member] | Consumer Secured [Member] |
|
|
| Nonaccrual |
4
|
10
|
| Restructured Loans |
0
|
0
|
| Loans Past Due 90 Days or More and Still Accruing |
0
|
0
|
| Consumer Portfolio Segment [Member] | Consumer Unsecured [Member] |
|
|
| Nonaccrual |
8
|
0
|
| Restructured Loans |
135
|
143
|
| Loans Past Due 90 Days or More and Still Accruing |
$ 0
|
$ 0
|