Note 24 - Financial Instruments with Off-Balance Sheet Risk, Contingencies and Concentration of Credit Risk (Details Textual) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Loss Contingency, Pending Claims, Number | 0 | ||
| Loss Contingency, Claims Settled, Number | 0 | 0 | 0 |
| Bank Acceptances Executed and Outstanding | $ 0 | ||
| Standby Letters of Credit [Member] | |||
| Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability | 12,700,000 | ||
| Commitments to Extend Credit [Member] | |||
| Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability | $ 675,400,000 | ||