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Schedule I - Summay of Investments - Other Than Investments in Related Parties
12 Months Ended
Dec. 31, 2013
Summary of Investments, Other than Investments in Related Parties [Abstract]  
Schedule I - Summary of Investments- Other than Investments in Related Parties
Types of investment
 
 
 
 
 
 
($ in thousands)
 
Amortized Cost or Cost
 
Fair Value
 
Carrying Amount
Fixed maturity securities:
 
 

 
 

 
 

Held-to-maturity:
 
 

 
 

 
 

Foreign government obligations
 
$
5,292

 
5,591

 
5,423

Obligations of states and political subdivisions
 
348,109

 
369,756

 
352,122

Public utilities
 
12,294

 
13,234

 
12,250

All other corporate securities
 
15,880

 
17,040

 
15,578

Asset-backed securities
 
3,413

 
3,415

 
2,758

Commercial mortgage-backed securities
 
5,634

 
7,945

 
4,748

Total fixed maturity securities, held-to-maturity
 
390,622

 
416,981

 
392,879

 
 
 
 
 
 
 
Available-for-sale:
 
 

 
 

 
 

U.S. government and government agencies
 
163,218

 
173,375

 
173,375

Foreign government obligations
 
29,781

 
30,615

 
30,615

Obligations of states and political subdivisions
 
946,455

 
951,624

 
951,624

Public utilities
 
146,792

 
146,453

 
146,453

All other corporate securities
 
1,561,136

 
1,588,430

 
1,588,430

Asset-backed securities
 
140,430

 
140,896

 
140,896

Commercial mortgage-backed securities
 
172,288

 
171,284

 
171,284

Residential mortgage-backed securities
 
515,877

 
512,859

 
512,859

Total fixed maturity securities, available-for-sale
 
3,675,977

 
3,715,536

 
3,715,536

 
 
 
 
 
 
 
Equity securities:
 
 

 
 

 
 

Common stock:
 
 

 
 

 
 

Public utilities
 
7,939

 
7,934

 
7,934

Banks, trust and insurance companies
 
26,884

 
31,446

 
31,446

Industrial, miscellaneous and all other
 
120,527

 
153,391

 
153,391

Total equity securities, available-for-sale
 
155,350

 
192,771

 
192,771

Short-term investments
 
174,251

 
174,251

 
174,251

Other investments
 
107,875

 
 

 
107,875

Total investments
 
$
4,504,075

 
 

 
4,583,312