Note 8 - Derivatives Instruments and Hedging Activities (Details) - Derivative Instruments Included In The Company’s Accumulated Other Comprehensive Income (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2013
Interest Rate Swap [Member]
Dec. 31, 2012
Interest Rate Swap [Member]
Dec. 31, 2011
Interest Rate Swap [Member]
Note 8 - Derivatives Instruments and Hedging Activities (Details) - Derivative Instruments Included In The Company’s Accumulated Other Comprehensive Income [Line Items]              
Balance at beginning of the period $ 2,041 $ (1,744) $ (304) $ (1,087)      
Unrealized (loss) gain on interest rate swaps         3,785 (1,440) 783
Balance at end of the period $ 2,041 $ (1,744) $ (304) $ (1,087)