Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Preferred Stock [Member]	Common Stock and Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2008	$ 0	$ 39,766,742	$ 10,895,724	$ (159,950)	$ (884,376)	$ 49,618,140
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)			(5,607,337)			(5,607,337)
Other Comprehensive Income, net of tax (See Note 19)				1,069,979		1,069,979
Total Comprehensive Income (Loss)						(4,537,358)
Stock based compensation expense		68,906				68,906
Issuance of shares of Series A Convertible Preferred Stock (Net)	1,788,000					1,788,000
Issuance of shares of restricted stock		0				0
Preferred stock dividends			(1,579)			(1,579)
Balance at Dec. 31, 2009	1,788,000	39,835,648	5,286,808	910,029	(884,376)	46,936,109
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)			3,163,771			3,163,771
Other Comprehensive Income, net of tax (See Note 19)				155,152		155,152
Total Comprehensive Income (Loss)						3,318,923
Issuance of common shares, net of offering expenses		2,826,810				2,826,810
Conversion of preferred shares into common shares	(1,030,787)	1,030,787				0
Stock based compensation expense		46,910				46,910
Balance at Dec. 31, 2010	757,213	43,740,155	8,450,579	1,065,181	(884,376)	53,128,752
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)			6,619,536			6,619,536
Other Comprehensive Income, net of tax (See Note 19)				2,303,357		2,303,357
Total Comprehensive Income (Loss)						8,922,893
Conversion of preferred shares into common shares	(757,213)	757,213				0
Stock based compensation expense		45,427				45,427
Issuance of shares of restricted stock		0				0
Forfeiture of shares of restricted stock		0				0
Balance at Dec. 31, 2011	$ 0	$ 44,542,795	$ 15,070,115	$ 3,368,538	$ (884,376)	$ 62,097,072