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Goodwill (Tables)
9 Months Ended
Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in the carrying value of goodwill and gross carrying value of goodwill and the accumulated impairment charge
 
Three Months ended
 
Nine Months ended
(Dollars in thousands)
September 30,
2012
 
September 30,
2011
 
September 30,
2012
 
September 30,
2011
Net carrying value at beginning of period
$
106,100

 
146,259

 
106,100

 
146,259

Impairment charge

 
(40,159
)
 

 
(40,159
)
Net carrying value at end of period
106,100

 
106,100

 
106,100

 
106,100

(Dollars in thousands)
September 30,
2012
 
December 31,
2011
 
 
 
 
Gross carrying value
146,259

 
146,259

 
 
 
 
Accumulated impairment charge
(40,159
)
 
(40,159
)
 
 
 
 
Net carrying value
$
106,100

 
106,100