Note 8 - Fair Value Measurements - Level 3 Fair Value Measurements (Details)
|
9 Months Ended |
12 Months Ended |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Impaired loans [Member] | Present Value of Cash Flows [Member] | Minimum [Member] |
|
|
|
| Discount rate |
|
6.75%
|
6.00%
|
| Impaired loans [Member] | Present Value of Cash Flows [Member] | Maximum [Member] |
|
|
|
| Discount rate |
|
7.25%
|
7.38%
|
| Impaired loans [Member] | Present Value of Cash Flows [Member] | Weighted Average [Member] |
|
|
|
| Discount rate |
|
7.04%
|
6.56%
|
| Other Real Estate Owned [Member] | Discounted Appraised Value [Member] | Minimum [Member] |
|
|
|
| Discount rate |
|
0.00%
|
0.00%
|
| Selling cost |
[1] |
0.00%
|
0.00%
|
| Other Real Estate Owned [Member] | Discounted Appraised Value [Member] | Maximum [Member] |
|
|
|
| Discount rate |
|
53.46%
|
50.01%
|
| Selling cost |
|
8.60%
|
10.00%
|
| Other Real Estate Owned [Member] | Discounted Appraised Value [Member] | Weighted Average [Member] |
|
|
|
| Discount rate |
|
10.19%
|
10.16%
|
| Selling cost |
|
5.76%
|
5.89%
|
|
|