Note 13 - Earnings Per Common Share (Detail) - Basic and Diluted Earnings Per Common Share (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Net income (loss)	$ 36,563		$ (9,684)		$ (25,750)
Preferred dividends	(8,658)		(9,650)		(9,650)
Accretion on preferred stock (1)	(2,118)	[1]	(649)	[1]	(615)	[1]
Net (income) loss applicable to non-vested restricted shares	(350)		266		464
Net income (loss) applicable to common shares	$ 25,437		$ (19,717)		$ (35,551)
Weighted-average common shares outstanding (basic) (in Shares)	73,289		72,422		50,034
Basic earnings (loss) per common share (in Dollars per share)	$ 0.35		$ (0.27)		$ (0.71)
Diluted earnings (loss) per common share (in Dollars per share)	$ 0.35		$ (0.27)		$ (0.71)
Anti-dilutive shares not included in the computation of diluted earnings per common share (2) (in Shares)	3,511	[2]	3,823	[2]	3,993	[2]
Weighted-average diluted common shares outstanding (in Shares)	73,289		72,422		50,034

[1] Includes $1.5 million in accelerated accretion related to the redemption of the Preferred Shares.

[2] Represents outstanding stock options and common stock warrants for which the exercise price is greater than the average market price of the Company's common stock.