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, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Financial Derivatives:
Financial Derivatives, Net gain (loss)	$ 1,537	[1]	$ (2,158)	[1]	$ 2,322	[1]	$ (3,000)	[1]
Interest Rate Cap [Member]
Financial Derivatives:
Financial Derivatives, Net gain (loss)	(8)		(114)		(11)		(262)
Interest Rate Swap [Member]
Financial Derivatives:
Financial Derivatives, Net gain (loss)	$ 1,545		$ (2,044)		$ 2,333		$ (2,738)

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