Note 11 - Derivative Financial Instruments (Detail) - Effect of derivative instruments on income: (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Financial Derivatives:
Financial Derivatives, Net gain (loss)	$ 785	[1]	$ (2,264)	[1]
Interest Rate Cap [Member]
Financial Derivatives:
Financial Derivatives, Net gain (loss)	(3)		(337)
Interest Rate Swap [Member]
Financial Derivatives:
Financial Derivatives, Net gain (loss)	$ 788		$ (1,927)

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