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Securities In An Unrealized Loss Position (Tables)
12 Months Ended
Dec. 31, 2012
Securities In An Unrealized Loss Position [Abstract]  
Securities In An Unrealized Loss Position
The following table summarizes all securities in an unrealized loss position at December 31, 2012 and 2011 by the length of time those securities have been continuously in an unrealized loss position.
 
Less Than 12 Months
 
12 Months or Greater
 
Total
(In thousands)
Fair
Value
 
Gross
Unrealized
Losses
 
Fair
Value
 
Gross
Unrealized
Losses
 
Fair
Value
 
Gross
Unrealized
Losses
December 31, 2012
 

 
 

 
 

 
 

 
 

 
 

U.S. government and government agency
$
69,551

 
$
1,660

 
$

 
$

 
$
69,551

 
$
1,660

State and municipal
152,694

 
1,639

 
135,967

 
8,054

 
288,661

 
9,693

Mortgage-backed securities
484,731

 
3,629

 
58,292

 
4,571

 
543,023

 
8,200

Corporate
371,781

 
2,964

 
70,537

 
9,119

 
442,318

 
12,083

Foreign
95,623

 
996

 
11,210

 
28

 
106,833

 
1,024

Fixed maturity securities
1,174,380

 
10,888

 
276,006

 
21,772

 
1,450,386

 
32,660

Common stocks
46,725

 
707

 

 

 
46,725

 
707

Preferred stocks

 

 
39,812

 
1,651

 
39,812

 
1,651

  Equity securities available for sale
46,725

 
707

 
39,812

 
1,651

 
86,537

 
2,358

Total
$
1,221,105

 
$
11,595

 
$
315,818

 
$
23,423

 
$
1,536,923

 
$
35,018

 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2011
 

 
 

 
 

 
 

 
 
 
 

U.S. government and government agency
$
24,668

 
$
169

 
$
4,800

 
$
182

 
$
29,468

 
$
351

State and municipal
131,417

 
827

 
183,205

 
15,723

 
314,622

 
16,550

Mortgage-backed securities
172,729

 
2,439

 
94,243

 
14,473

 
266,972

 
16,912

Corporate
341,764

 
8,327

 
125,654

 
27,760

 
467,418

 
36,087

Foreign
197,560

 
4,078

 
7,159

 
571

 
204,719

 
4,649

Fixed maturity securities
868,138

 
15,840

 
415,061

 
58,709

 
1,283,199

 
74,549

Common stocks
47,098

 
2,888

 

 

 
47,098

 
2,888

Preferred stocks
23,782

 
125

 
45,314

 
14,740

 
69,096

 
14,865

  Equity securities available for sale
70,880

 
3,013

 
45,314

 
14,740

 
116,194

 
17,753

Total
$
939,018

 
$
18,853

 
$
460,375

 
$
73,449

 
$
1,399,393

 
$
92,302

Non-Investment Grade Fixed Maturity Securities
Fixed Maturity Securities — A summary of the Company’s non-investment grade fixed maturity securities that were in an unrealized loss position at December 31, 2012 is presented in the table below:
(In thousands)
Number of
Securities
 
Aggregate
Fair Value
 
Gross
Unrealized
Loss
Unrealized loss less than $5 million:
 

 
 

 
 

Mortgage-backed securities
13

 
$
79,842

 
$
3,823

Corporate
10

 
39,163

 
3,778

State and municipal
2

 
24,579

 
1,365

Total
25

 
$
143,584

 
$
8,966

Roll-Forward Of Portion Of Impairments
(In thousands)
2012
 
2011
Beginning balance of amounts related to credit losses
$
4,261

 
$
4,261

Additions for amounts related to credit losses

 

Deductions for amounts related to credit loss sales

 

Ending balance of amounts related to credit losses
$
4,261

 
$
4,261