Equity and Earnings per Share (Details Textual) (USD $)	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 29, 2012	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Equity and Earnings per Share (Textual) [Abstract]
Share based compensation expense		$ 649,000	$ 1,000,000	$ 1,091,000	$ 1,341,000
Total share-based compensation to be recognized on unvested stock awards and options		3,000,000		3,000,000
Share-based compensation to be recognized over weighted average period				1 year 4 months 6 days
Employee awards vesting period				3 years
Award vesting period				1 year
Common stock shares issued to White Deer	2,180,233
Proceeds from Issuance of common stock	$ 7,500,000			$ 7,514,000