Note 18 - Derivative Financial Instruments (Detail) - Effect of derivative instruments on the Consolidated Statements of Income: (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Financial Derivatives:
Financial Derivatives	$ (2,264)	[1]	$ (2,153)	[1]	$ (4,894)	[1]
Interest Rate Cap [Member]
Financial Derivatives:
Financial Derivatives	(337)		(2,153)		(4,894)
Interest Rate Swap [Member]
Financial Derivatives:
Financial Derivatives	$ (1,927)

[1] Net losses are recorded as "Net gain from fair value adjustments" in the Consolidated Statements of Income.