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Realized And Unrealized Investment Gains (Losses)
 9 Months Ended
Sep. 30, 2017
Realized and Unrealized Investment Gains (Losses) [Abstract]  
Realized and Unrealized Investment Gains (Losses)
Realized and Unrealized Investment Gains (Losses)

 Realized and unrealized investment gains (losses) are as follows:
 
For the Three Months Ended September 30,
 
For the Nine Months Ended September 30,
(In thousands)
2017
 
2016
 
2017
 
2016
Realized investment gains (losses):
 
 
 
 
 

 
 

Fixed maturity securities:
 
 
 
 
 

 
 

Gains
$
8,763

 
$
33,798

 
$
21,795

 
$
66,972

Losses
(197
)
 
(1,150
)
 
(4,162
)
 
(5,570
)
Equity securities available for sale
34,720

 
8,441

 
109,566

 
13,037

Investment funds (1)
124,228

 
(3,788
)
 
125,383

 
(9,041
)
Real estate
1,956

 
687

 
4,892

 
5,247

Other (2)
 
14,489

 
137,750

 
19,286

 
136,863

Net realized gains on investments sales
183,959

 
175,738

 
276,760

 
207,508

Other-than-temporary impairments (3)
—

 
—

 
—

 
(18,114
)
   Net investment gains
183,959

 
175,738

 
276,760

 
189,394

Income tax expense
(64,386
)
 
(61,508
)
 
(96,866
)
 
(66,288
)
    After-tax net realized investment gains
$
119,573

 
$
114,230

 
$
179,894

 
$
123,106


Change in unrealized investment gains of available for sale securities:
 
 
 
 
 

 
 

Fixed maturity securities
$
(10,627
)
 
$
(45,388
)
 
$
84,214

 
$
169,933

Previously impaired fixed maturity securities
61

 
(1,406
)
 
905

 
413

Equity securities available for sale
(2,126
)
 
(28,517
)
 
(44,812
)
 
12,433

Investment funds
4,129

 
3,143

 
9,841

 
16,028

Total change in unrealized investment gains
(8,563
)
 
(72,168
)
 
50,148

 
198,807

Income tax benefit (expense)
423

 
24,493

 
(23,550
)
 
(64,594
)
Noncontrolling interests
5

 
57

 
19

 
66

After-tax change in unrealized investment gains of available for sale securities
$
(8,135
)
 
$
(47,618
)
 
$
26,617

 
$
134,279

______________________
(1) Investment funds includes a gain of $124.3 million from the sale of an investment in an office building located in Washington, D.C. for the three and nine months ended September 30, 2017.

(2) Other includes a gain of $134.9 million from the sale of Aero Precision Industries and certain related aviation services business for the three and nine months ended September 30, 2016.

(3) There were no other than temporary impairments (OTTI) for the three and nine months ended September 30, 2017, or for the three months ended September 30, 2016. OTTI for the nine months ended September 30, 2016 of $18.1 million were related to common stock.