Note 11 - Derivative Financial Instruments (Details) - Effect of Derivative Instruments on Income (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Financial Derivatives:
Financial Derivatives, Net gain (loss)	$ (752)	[1]	$ 1,537	[1]	$ (1,794)	[1]	$ 2,322	[1]
Interest Rate Cap [Member]
Financial Derivatives:
Financial Derivatives, Net gain (loss)			(8)				(11)
Interest Rate Swaps, Hedge [Member]
Financial Derivatives:
Financial Derivatives, Net gain (loss)	$ (752)		$ 1,545		$ (1,794)		$ 2,333

[1] Net gains and (losses) are recorded as part of "Net loss from fair value adjustments" in the Consolidated Statements of Income.