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Share-Based Compensation (Details) (USD $)	3 Months Ended		6 Months Ended
Share-Based Compensation (Details) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Share-Based Compensation (Textual) [Abstract]
Recognized share-based compensation awards	$ 174,000	$ 135,000	$ 328,000	$ 387,000

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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