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Realized And Unrealized Investment Gains (Losses)
 12 Months Ended
Dec. 31, 2011
Realized and Unrealized Investment Gains (Losses) [Abstract]  
Realized and Unrealized Investment Gains (Losses)
Realized and Unrealized Investment Gains and Losses
Realized and unrealized investment gains and losses are as follows:
(Dollars in thousands)
2011
 
2010
 
2009
Realized investment gains and losses:
 

 
 

 
 

Fixed maturity securities:
 

 
 

 
 

Gains
$
37,595

 
$
38,204

 
$
50,500

Lossses
(5,499
)
 
(8,990
)
 
(3,632
)
Equity securities available for sale
90,023

 
34,477

 
52,680

Investment funds
3,762

 
1,871

 
4,905

Provision for other-than-temporary impairments (1)
(400
)
 
(9,205
)
 
(151,727
)
Less investment impairments recognized in other comprehensive income
—

 
—

 
8,866

Other gains
—

 
224

 
—

Total net investment gains (losses)
125,481

 
56,581

 
(38,408
)
Income tax (expense) benefit
(43,834
)
 
(19,707
)
 
13,534

 
$
81,647

 
$
36,874

 
$
(24,874
)

Change in unrealized gains and losses of available for sales securities:
 

 
 

 
 

Fixed maturity securities
$
209,467

 
$
102,488

 
$
405,950

Investment impairments recognized in other comprehensive income
(3,604
)
 
1,362

 
(5,425
)
Equity securities available for sale
(55,772
)
 
68,178

 
143,684

Investment funds
(2,093
)
 
4,560

 
13,235

Total change in unrealized gains
147,998

 
176,588

 
557,444

Income tax expense
(52,381
)
 
(61,227
)
 
(195,813
)
Noncontrolling interests
55

 
(8
)
 
(21
)
 
$
95,672

 
$
115,353

 
$
361,610


_______________________________________
(1)
Includes change in valuation allowance for loans receivable of $0, $6,082,000 and $12,418,000 for the years ended December 31, 2011, 2010 and 2009, respectively.