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Net Investment Income
 6 Months Ended
Jun. 30, 2012
Net Investment Income [Abstract]  
Net Investment Income [Text Block]
Net Investment Income
Net investment income consists of the following:
 
 
For the Three Months Ended
 
For the Six Months Ended
 
June 30,
 
June 30,
(Dollars in thousands)
2012
 
2011
 
2012
 
2011
Investment income earned on:
 
 
 
 
 
 
 
Fixed maturity securities, including cash and cash equivalents and loans receivable
$
119,835

 
$
124,172

 
$
239,123

 
$
245,113

Investment funds
35,619

 
15,502

 
63,242

 
31,889

Arbitrage trading account
60

 
5,827

 
6,541

 
11,042

Equity securities available for sale
3,829

 
3,485

 
6,979

 
6,749

Real estate
3,348

 
1,172

 
5,524

 
2,344

Gross investment income
162,691

 
150,158

 
321,409

 
297,137

 
 
 
 
 
 
 
 
Investment expense
(1,441
)
 
(1,086
)
 
(2,540
)
 
(1,939
)
Net investment income
$
161,250

 
$
149,072

 
$
318,869

 
$
295,198