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Share-Based Compensation Arrangements (Tables)
 12 Months Ended
Dec. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Activity [Table Text Block]
A summary of activity under the plans during 2012 is as follows:
SARs:
Number of awards
 
Weighted average exercise price per share
Outstanding at January 1, 2012
108,794

 
$
10.89

     Granted
—

 
$
—

     Exercised
—

 
$
—

     Forfeited
(8,255)

 
$
15.42

Outstanding at December 31, 2012
100,539

 
$
11.14


 
Phantom Shares: *
Number of awards
 
Weighted average grant date value per share
Outstanding at January 1, 2012
79,101

 
$
9.31

Granted
435,866

 
$
4.73

Vested
(24,864
)
 
$
9.88

Forfeited
(2,433
)
 
$
12.86

Outstanding at December 31, 2012
487,670

 
$
5.67

* Includes both non-performance and performance based shares.
 
 
 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The fair value of each SAR was estimated as of December 31, 2012, 2011 and 2010 using the following assumptions: 
 
2012
 
2011
 
2010
Risk-free interest rate
0.27%-0.52%

 
0.4%-0.83%

 
1.65%-2.39%

Dividend yield
0.0
%
 
0.0
%
 
0.0
%
Expected life (years)
2.2-4.0 years

 
3.2-5.0 years

 
4.2-6.0 years

Volatility
63.63
%
 
80.66
%
 
85.95
%