Shareholders' Equity Restricted Stock (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	818,004	329,698
Stock Issued During Period, Value, Restricted Stock Award, Gross	$ 2,955,800	$ 2,511,700
weighted average estimated fair value of restricted stock	$ 3.61	$ 7.62