Equity Plans and Equity Based Compensation (Additional Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		481,791
Schedule Of Share Based Compensation Restricted Stock and Restricted Stock Grant During Period Percentage		50.00%
Schedule Of Share Based Compensation Restricted Stock and Restricted Stock Cash Credit Entitlement Percentage		50.00%
Schedule Of Share Based Compensation Restricted Stock and Restricted Stock Vested In Percentage		100.00%
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	118	29,170	30,137
Unrecognized Stock Expenses In Restricted Stock		$ 971	$ 304
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date		95.00%
Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Percentage		33.30%
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		500,000