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Share-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2012
Share-based Compensation [Abstract]  
Summary of restricted stock unit activity [Table Text Block]
A summary of the Company’s nonvested restricted stock unit activity with respect to the three month period ended March 31, 2012 is as follows:


Number of Shares

Weighted Average Grant Date Fair Value
Nonvested at December 31, 2011

1,465


$
8.01

Granted

343


$
9.99

Vested

(263
)

$
8.10

Forfeited

(11
)

$
7.75

Nonvested at March 31, 2012

1,534


$
8.44