Note 7 - Deposits (Details Textual) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Deposit Liabilities Reclassified as Loans Receivable | $ 80 | $ 69 |
| Investment Securities Pledged as Collateral for Municipal Deposits | 271,300 | 252,400 |
| Deposit Liabilities Received on Terms Other than Normal Business | 0 | 0 |
| Federal Home Loan Bank of Pittsburgh [Member] | ||
| Letters of Credit Outstanding, Amount | $ 75,000 | $ 0 |