Note 12 - Derivatives and Hedging Activities (Details Textual) xbrli-pure in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
Dec. 31, 2012
USD ($)
|
|
| Debt Instrument, Face Amount | $ 15,000 | |||
| Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax | $ 0 | $ 214 | $ 0 | |
| Derivative, Number of Instruments Held | 0 | 0 | ||
| Interest Rate Swap [Member] | ||||
| Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion | $ 372 | |||
| Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net | 611 | $ 0 | ||
| Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax | $ 214 | |||