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Net Investment Income (Tables)
3 Months Ended
Mar. 31, 2012
Net Investment Income [Abstract]  
Net Investment Income [Table Text Block]
Net investment income consists of the following:
 
 
For the Three Months Ended
 
March 31,
(Dollars in thousands)
2012
 
2011
Investment income earned on:
 
 
 
Fixed maturity securities, including cash and cash equivalents, loans receivable and real estate
$
119,288

 
$
120,941

Investment funds
27,623

 
16,387

Arbitrage trading account and funds
6,481

 
5,215

Equity securities available for sale
3,150

 
3,264

Real estate
2,176

 
1,172

Gross investment income
158,718

 
146,979

 
 
 
 
Investment expense
(1,099
)
 
(853
)
Net investment income
$
157,619

 
$
146,126