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Segment Information
 12 Months Ended
Dec. 31, 2017
Segment Reporting [Abstract]  
Segment Information NOTE 14 - Segment Information
 
The Company conducts and manages its business through four segments. The three operating segments, representing the major lines of insurance business, are: Property and Casualty, primarily personal lines automobile and property insurance products; Retirement, primarily tax-qualified fixed and variable annuities; and Life, life insurance. The Company does not allocate the impact of corporate-level transactions to these operating segments, consistent with the basis for management's evaluation of the results of those segments, but classifies those items in the fourth segment, Corporate and Other. In addition to ongoing transactions such as corporate debt service, net realized investment gains and losses and certain public company expenses, such items also have included corporate debt retirement costs, when applicable.
 
The accounting policies of the segments are the same as those described in Note 1 — Summary of Significant Accounting Policies. The Company accounts for intersegment transactions, primarily the allocation of operating and agency costs from Corporate and Other to Property and Casualty, Retirement and Life, on a direct cost basis.
 
Summarized financial information for these segments is as follows: 
($ in thousands)
 
Years Ended December 31,
 
 
2017
 
2016
 
2015
Insurance premiums and contract charges earned
 
 

 
 

 
 

Property and Casualty
 
$
648,263

 
$
620,514

 
$
595,958

Retirement
 
28,003

 
24,937

 
25,378

Life
 
118,437

 
113,695

 
110,544

Total
 
$
794,703

 
$
759,146

 
$
731,880

 
 
 
 
 
 
 
Net investment income
 
 

 
 

 
 

Property and Casualty
 
$
36,178

 
$
38,998

 
$
33,461

Retirement
 
261,994

 
249,410

 
228,378

Life
 
76,195

 
73,567

 
71,614

Corporate and Other
 
78

 
66

 
38

Intersegment eliminations
 
(815
)
 
(855
)
 
(891
)
Total
 
$
373,630

 
$
361,186

 
$
332,600

 
 
 
 
 
 
 
Net income (loss)
 
 

 
 

 
 

Property and Casualty
 
$
17,790

 
$
25,644

 
$
40,043

Retirement
 
88,473

 
50,674

 
43,384

Life
 
77,595

 
16,559

 
14,982

Corporate and Other
 
(14,399
)
 
(9,112
)
 
(4,927
)
Total
 
$
169,459

 
$
83,765

 
$
93,482


($ in thousands)
 
December 31,
 
 
2017
 
2016
 
2015
Assets
 
 
 
 
 
 
Property and Casualty
 
$
1,217,394

 
$
1,110,958

 
$
1,098,415

    Retirement
 
8,063,912

 
7,449,777

 
7,001,411

Life
 
1,815,732

 
1,912,771

 
1,862,719

    Corporate and Other
 
143,784

 
140,104

 
131,635

Intersegment eliminations
 
(42,482
)
 
(36,786
)
 
(37,208
)
Total
 
$
11,198,340

 
$
10,576,824

 
$
10,056,972

 
Additional significant financial information for these segments is as follows:
($ in thousands)
 
Years Ended December 31,
 
 
2017
 
2016
 
2015
DAC amortization expense
 
 

 
 

 
 

Property and Casualty
 
$
76,967

 
$
74,950

 
$
73,173

Retirement
 
17,759

 
14,635

 
18,155

Life
 
7,459

 
7,147

 
7,591

Total
 
$
102,185

 
$
96,732

 
$
98,919

 
 
 
 
 
 
 
Income tax expense (benefit)
 
 

 
 

 
 

Property and Casualty
 
$
(3,279
)
 
$
4,627

 
$
11,274

Retirement
 
(19,498
)
 
20,334

 
19,873

Life
 
(51,876
)
 
9,775

 
7,951

Corporate and Other
 
(6,119
)
 
(4,269
)
 
(3,128
)
Total
 
$
(80,772
)
 
$
30,467

 
$
35,970