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Investments In Equity Securities Available for Sale
 9 Months Ended
Sep. 30, 2012
Available-for-sale Securities [Abstract]  
Investments In Equity Securities Available for Sale
Investments in Equity Securities Available for Sale
At September 30, 2012 and December 31, 2011, investments in equity securities available for sale were as follows:
 
(Dollars in thousands)
Cost
 
Gross Unrealized
 
Fair
Value
 
Carrying
Value
Gains
 
Losses
 
September 30, 2012
 
 
 
 
 
 
 
 
 
Common stocks
$
228,524

 
$
96,648

 
$
(291
)
 
$
324,881

 
$
324,881

Preferred stocks
95,566

 
8,024

 
(3,149
)
 
100,441

 
100,441

Total
$
324,090

 
$
104,672

 
$
(3,440
)
 
$
425,322

 
$
425,322

December 31, 2011
 
 
 
 
 
 
 
 
 
Common stocks
$
209,210

 
$
113,660

 
$
(2,888
)
 
$
319,982

 
$
319,982

Preferred stocks
133,183

 
5,139

 
(14,865
)
 
123,457

 
123,457

Total
$
342,393

 
$
118,799

 
$
(17,753
)
 
$
443,439

 
$
443,439