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Earnings Per Share (Details)	3 Months Ended	6 Months Ended
Earnings Per Share (Details)	Jun. 30, 2012	Jun. 30, 2012
Earnings Per Share (Textual) [Abstract]
Dilutive common stock equivalents	8,723,772	8,721,861

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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