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Share-Based Compensation - (Tables)
3 Months Ended
Mar. 31, 2015
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 months ended March 31, 2015 is as follows:


Number of Shares

Weighted Average Grant Date Fair Value
Nonvested at December 31, 2014

805


$
11.07

Granted

509


$
10.25

Less: Vested

468


$
10.18

Less: Forfeited

8


$
10.95

Nonvested at March 31, 2015

838


$
11.07