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Investments in Equity Securities Investments in Equity Securities (Tables)
6 Months Ended
Jun. 30, 2016
Equity securities available for sale  
Schedule of Available-for-sale Securities [Line Items]  
Schedule of Investments in Equity Securities
At June 30, 2016 and December 31, 2015, investments in equity securities were as follows:
 
(In thousands)
Cost
 
Gross Unrealized
 
Fair
Value
 
Carrying
Value
Gains
 
Losses
 
June 30, 2016
 
 
 
 
 
 
 
 
 
Common stocks
$
136,868

 
$
4,434

 
$
(2,415
)
 
$
138,887

 
$
138,887

Preferred stocks
125,948

 
23,597

 
(1,780
)
 
147,765

 
147,765

Total
$
262,816

 
$
28,031

 
$
(4,195
)
 
$
286,652

 
$
286,652

December 31, 2015
 
 
 
 
 
 
 
 
 
Common stocks
$
56,462

 
$

 
$
(19,189
)
 
$
37,273

 
$
37,273

Preferred stocks
108,730

 
8,216

 
(3,353
)
 
113,593

 
113,593

Total
$
165,192

 
$
8,216

 
$
(22,542
)
 
$
150,866

 
$
150,866