STOCKHOLDERS' EQUITY, Earnings (Loss) Per Share Calculations (Details) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Earning per share calculations [Abstract]
Net income	$ 60,525	$ 36,348	$ 116,596	$ 61,264
Less: Preferred stock dividends and amortization of preferred stock discount	(1,714)	(6,147)	(3,429)	(12,285)
Net income (loss) after extraordinary items	58,811	30,201	113,167	48,979
Effect of dilutive securities [Abstract]
Stock options	0	0	0	0
Restricted stock	35	4	41	7
Convertible preferred stock	1,714	0	3,429	0
Stock warrants	0	0	0	0
Diluted EPS - income available to common stockholders	$ 60,560	$ 30,205	$ 116,637	$ 48,986
Number of Shares [Abstract]
Weighted average shares outstanding (in shares)	147,011	146,372	146,937	123,445
Effect of dilutive securities on weighted average shares outstanding [Abstract]
Stock options (in shares)	73	155	96	167
Restricted stock (in shares)	692	404	685	320
Convertible preferred stock (in shares)	5,571	0	5,571	18,019
Stock warrants (in shares)	0	200	60	183
Total weighted average diluted shares outstanding (in shares)	153,347	147,131	153,349	142,134
Per Share Amounts [Abstract]
Basic EPS (in dollars per share)	$ 0.40	$ 0.21	$ 0.77	$ 0.40
Diluted EPS (in dollars per share)	$ 0.39	$ 0.21	$ 0.76	$ 0.34