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Share-Based Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2012
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of option activity under the plans noted above as of December 31, 2012, and changes during the year ended are presented below:

 

    Share
options
    Weighted-
average
exercise
price
    Weighted-
average
remaining
contractual
term
 
                   
Outstanding as of December 31, 2011     104,100     $ 12.76          
Expired     (45,100 )   $ 13.57          
Exercised     -     $ -          
Outstanding and exercisable as of December 31, 2012     59,000     $ 12.20       0.52
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

A summary of the status of the Company’s non-vested restricted Common Shares as of December 31, 2012 and the changes during the year then ended, are presented below:

 

    Time-based awards     Performance-based awards  
    Common
shares
    Weighted-
average grant-
date fair
value
    Common
shares
    Weighted-
average grant-
date fair
value
 
                         
Non-vested as of December 31, 2011     991,660     $ 7.11       419,100     $ 10.65  
Granted     375,980     $ 9.95       277,200     $ 10.87  
Vested     (443,646 )   $ 2.86       -     $ -  
Forfeited     (81,164 )   $ 10.29       (60,450 )   $ 10.20  
Non-vested as of December 31, 2012     842,830     $ 10.31       635,850     $ 10.78