Note 5 - Loans and Allowance for Loan Losses - Troubled Debt Restructurings Outcomes (Details) $ in Thousands |
12 Months Ended |
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
| Troubled Debt Restructurings - Number of loans |
6
|
4
|
| Number of loans |
6
|
4
|
| Extended Maturity [Member] |
|
|
| Troubled Debt Restructurings - Number of loans |
5
|
4
|
| Number of loans |
5
|
4
|
| Paid in Full [Member] |
|
|
| Troubled Debt Restructurings - Number of loans |
0
|
0
|
| Troubled Debt Restructurings - Recorded Investment |
$ 0
|
$ 0
|
| Number of loans |
0
|
0
|
| Troubled Debt Restructurings - Recorded Investment |
$ 0
|
$ 0
|
| Paid in Full [Member] | Extended Maturity [Member] |
|
|
| Troubled Debt Restructurings - Number of loans |
0
|
0
|
| Troubled Debt Restructurings - Recorded Investment |
$ 0
|
$ 0
|
| Number of loans |
0
|
0
|
| Troubled Debt Restructurings - Recorded Investment |
$ 0
|
$ 0
|
| Paying as Restructured [Member] |
|
|
| Troubled Debt Restructurings - Number of loans |
6
|
2
|
| Troubled Debt Restructurings - Recorded Investment |
$ 2,606
|
$ 221
|
| Number of loans |
6
|
2
|
| Troubled Debt Restructurings - Recorded Investment |
$ 2,606
|
$ 221
|
| Paying as Restructured [Member] | Extended Maturity [Member] |
|
|
| Troubled Debt Restructurings - Number of loans |
6
|
2
|
| Troubled Debt Restructurings - Recorded Investment |
$ 2,606
|
$ 221
|
| Number of loans |
6
|
2
|
| Troubled Debt Restructurings - Recorded Investment |
$ 2,606
|
$ 221
|
| Nonperforming Financial Instruments [Member] |
|
|
| Troubled Debt Restructurings - Number of loans |
2
|
2
|
| Troubled Debt Restructurings - Recorded Investment |
$ 286
|
$ 96
|
| Number of loans |
2
|
2
|
| Troubled Debt Restructurings - Recorded Investment |
$ 286
|
$ 96
|
| Nonperforming Financial Instruments [Member] | Extended Maturity [Member] |
|
|
| Troubled Debt Restructurings - Number of loans |
2
|
2
|
| Troubled Debt Restructurings - Recorded Investment |
$ 286
|
$ 96
|
| Number of loans |
2
|
2
|
| Troubled Debt Restructurings - Recorded Investment |
$ 286
|
$ 96
|