Note 8 - Mortgage Servicing Rights ("MSR"s) - Summary of Key Economic Assumptions and Sensitivity of Current Fair Value of MSRs (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|||
| Fair value | $ 6,154 | $ 5,726 | $ 5,456 | ||
| Weighted average life (in years) (Year) | 6 years 109 days | ||||
| Prepayment speeds (constant prepayment rate)* | [1] | 10.20% | |||
| 10% adverse change | $ (115) | ||||
| 20% adverse change | $ (238) | ||||
| Discount rate | 9.55% | ||||
| 10% adverse change | $ (225) | ||||
| 20% adverse change | $ (434) | ||||
| |||||