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Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2011
DISCONTINUED OPERATIONS: [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]
The results of discontinued operations in the consolidated statements of operations for the years ended December 31, 2011, 2010 and 2009, were as follows (dollars in thousands): 
 
 
2011
 
2010
 
2009
Operating revenues
 
$

 
$

 
$

(Loss)/income from discontinued operations before taxes
 
(9
)
 
2,552

 
1,149

Tax benefit
 

 
(39
)
 
(249
)
(Loss)/income from discontinued operations, net of tax
 
$
(9
)
 
$
2,591

 
$
1,398