Note 6 - Bank Premises and Equipment (Details Textual) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Property, Plant and Equipment, Gross | $ 70,143,000 | $ 71,879,000 | |
| Estimated Cost to Complete All in Process Projects | 13,000 | ||
| Operating Leases, Rent Expense | 179,000 | 184,000 | $ 190,000 |
| Construction in Progress [Member] | |||
| Property, Plant and Equipment, Gross | $ 33,000 | $ 300,000 | |