Summary of Significant Accounting Policies (Schedule of Weighted Average Number of Shares) (Details) - shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Summary of Significant Accounting Policies [Abstract]
Basic weighted-average common shares outstanding	27,337,954	26,923,809	26,670,501
Effect of dilutive shares	621,208		522,984
Diluted weighted-average common shares outstanding	27,959,162	26,923,809	27,193,485