Note 15 - Fair Value Measurements - Assets Measured At Fair Value On a Non-recurring Basis and Quantitative Information (Details) - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Recorded investment |
$ 5,604
|
$ 7,961
|
| Related allowance |
302
|
381
|
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Market Approach Valuation Technique [Member] | Impaired Loans, Collateral Dependent [Member] |
|
|
| Recorded investment |
482
|
718
|
| Related allowance |
68
|
124
|
| Fair Value |
$ 414
|
$ 594
|
| Selling Cost |
10.00%
|
10.00%
|
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Market Approach Valuation Technique [Member] | Impaired Loans, Collateral Dependent [Member] | Minimum [Member] |
|
|
| Selling Cost |
10.00%
|
10.00%
|
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Market Approach Valuation Technique [Member] | Impaired Loans, Collateral Dependent [Member] | Maximum [Member] |
|
|
| Selling Cost |
10.00%
|
10.00%
|
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Market Approach Valuation Technique [Member] | Other Real Estate Owned [Member] |
|
|
| Recorded investment |
$ 1,949
|
$ 3,104
|
| Related allowance |
|
|
| Fair Value |
$ 1,949
|
$ 3,104
|
| Selling Cost |
10.00%
|
10.00%
|
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Market Approach Valuation Technique [Member] | Other Real Estate Owned [Member] | Minimum [Member] |
|
|
| Selling Cost |
10.00%
|
10.00%
|
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Market Approach Valuation Technique [Member] | Other Real Estate Owned [Member] | Maximum [Member] |
|
|
| Selling Cost |
10.00%
|
10.00%
|
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Income Approach Valuation Technique [Member] | Impaired Loans, Other [Member] |
|
|
| Recorded investment |
$ 3,247
|
$ 3,757
|
| Related allowance |
234
|
257
|
| Fair Value |
$ 3,013
|
$ 3,500
|
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Income Approach Valuation Technique [Member] | Impaired Loans, Other [Member] | Minimum [Member] |
|
|
| Discount Rate |
3.00%
|
2.90%
|
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Income Approach Valuation Technique [Member] | Impaired Loans, Other [Member] | Maximum [Member] |
|
|
| Discount Rate |
7.50%
|
7.50%
|