Net Income (Loss) Per Common Share (Schedule Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Net income (loss)	$ 38,580	[1]	$ 45,694	[1]	$ 45,535	[1]	$ 29,574	[1]	$ 724,040	[2]	$ 30,725	[2]	$ 39,452	[2]	$ 35,993	[2]	$ 159,383	$ 830,209	$ (60,844)
Net (loss) income available to non-controlling interest																	0	0	(220)
Net loss attributable to controlling interest																	159,383	830,209	(60,624)
Dividends and accretion of discount on preferred stock																	40,830	58,703	58,088
Net loss attributable to common shareholders	$ 35,850	[1]	$ 37,188	[1]	$ 30,717	[1]	$ 14,798	[1]	$ 709,304	[2]	$ 16,030	[2]	$ 24,803	[2]	$ 21,369	[2]	$ 118,553	$ 771,506	$ (118,712)
Weighted average common shares outstanding, basic																	892,462	786,466	785,272
Potentially dilutive shares from assumed exercise of securities or other contracts to purchase common stock																	47,118	123,636	0
Weighted average common shares outstanding, diluted																	939,580	910,102	785,272
Net income (loss) per common share, basic:
Net income (loss) from continuing operations attributable to common shareholders (per share)	$ 0.04		$ 0.04		$ 0.04		$ 0.02		$ 0.90		$ 0.02		$ 0.03		$ 0.03
Net income (loss) available to common shareholders (per share)																	$ 0.13	$ 0.98	$ (0.15)
Net income (loss) per common share, diluted:
Net income (loss) from continuing operations attributable to common shareholders (per share)	$ 0.04		$ 0.04		$ 0.03		$ 0.02
Net income (loss) available to common shareholders (per share)									$ 0.78		$ 0.02		$ 0.03		$ 0.02		$ 0.13	$ 0.85	$ (0.15)

[1] The fourth quarter of 2013 results include litigation loss contingency expense of $10.0 million

[2] The fourth quarter of 2012 results reflect a $796.3 million income tax benefit due primarily to the reversal of substantially all of the deferred tax asset valuation allowance. For additional discussion of the valuation allowance for deferred tax assets, see "Part II - Item 8. Financial Statements and Supplementary Data - Note 24 - Income Taxes" of this Report.