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Share-Based Compensation - (Tables)
 6 Months Ended
Jun. 30, 2016
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 six months ended June 30, 2016 is as follows:


Number of Shares

Weighted Average Grant Date Fair Value
Nonvested at December 31, 2015

1,169


$
11.40

Granted

386


$
12.87

Less: Vested

353


$
10.78

Less: Forfeited

17


$
11.30

Nonvested at June 30, 2016

1,185


$
12.06