Shareholders' Equity (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011		Jun. 30, 2012	Jun. 30, 2011
Shareholders Equity Details 2
Earnings per share, basic	$ 0.10	$ (0.08)		$ 3.01	$ 11.19
Net income (loss)allocable to common stock, basic	$ 2,283	$ (1,845)		$ 68,836	$ 252,740
Net income (loss) per share of common stock and assumed conversions	$ 2,283	$ (1,845)		$ 68,836	$ 252,740
Weighted Average Number Shares, basic	22,893,522	22,723,146	[1]	22,865,819	22,580,143
Warrants & Options outstanding for the purchase of common stock	1,533,335			1,487,570	1,444,079
Weighted Average Number Shares, diluted	24,426,857	22,723,146	[1]	24,353,388	24,024,222
Earnings per share, diluted	$ 0.09	$ (0.08)		$ 2.83	$ 10.52

[1] Diluted EPS excludes 3.5 million warrants which were not dilutive for the period. These instruments could potentially impact Diluted EPS in future periods, depending on changes in our stock price.