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Marketable Securities
 9 Months Ended
Sep. 30, 2015
Marketable Securities  
Marketable Securities

 

(6)  Marketable Securities

 

A summary of marketable securities is shown below:

 

 

 

Amortized
Cost

 

Gross
Unrealized
Gains

 

Gross
Unrealized
Losses

 

Fair Value

 

 

 

(In thousands)

 

September 30, 2015

 

 

 

 

 

 

 

 

 

Marketable securities

 

 

 

 

 

 

 

 

 

U.S. government and municipal obligations

 

 

 

 

 

 

 

 

 

Maturing in one year or less

 

$
43,379

 

$
21

 

$
(2

)

$
43,398

 

Maturing after one year through three years

 
22,921

 
54

 
(45

)
22,930

 

 

 

 

 

 

 

 

 

 

 

Total U.S. government and municipal obligations

 

$
66,300

 

$
75

 

$
(47

)

$
66,328

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate debt securities

 

 

 

 

 

 

 

 

 

Maturing in one year or less

 

$
135,613

 

$
24

 

$
(89

)

$
135,548

 

Maturing after one year through three years

 
35,942

 
21

 
(20

)
35,943

 

 

 

 

 

 

 

 

 

 

 

Total corporate debt securities

 

$
171,555

 

$
45

 

$
(109

)

$
171,491

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total marketable securities

 

$
237,855

 

$
120

 

$
(156

)

$
237,819

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2014

 

 

 

 

 

 

 

 

 

Marketable securities

 

 

 

 

 

 

 

 

 

U.S. government and municipal obligations

 

 

 

 

 

 

 

 

 

Maturing in one year or less

 

$
44,580

 

$
30

 

$
(6

)

$
44,604

 

Maturing after one year through three years

 
16,108

 
49

 
(1

)
16,156

 

 

 

 

 

 

 

 

 

 

 

Total U.S. government and municipal obligations

 

$
60,688

 

$
79

 

$
(7

)

$
60,760

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate debt securities

 

 

 

 

 

 

 

 

 

Maturing in one year or less

 

$
89,636

 

$
6

 

$
(37

)

$
89,605

 

Maturing after one year through three years

 
22,690

 
3

 
(35

)
22,658

 

 

 

 

 

 

 

 

 

 

 

Total corporate debt securities

 

$
112,326

 

$
9

 

$
(72

)

$
112,263

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total marketable securities

 

$
173,014

 

$
88

 

$
(79

)

$
173,023

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The marketable securities held by the Company were high investment grade and there were no marketable securities that the Company considered to be other-than-temporarily impaired as of September 30, 2015. Marketable securities include $1.2 million and $1.4 million in accrued interest at September 30, 2015 and December 31, 2014, respectively.