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Marketable Securities
 6 Months Ended
Jun. 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)

 

June 30, 2015

 

 

 

 

 

 

 

 

 

Marketable securities

 

 

 

 

 

 

 

 

 

U.S. government and municipal obligations

 

 

 

 

 

 

 

 

 

Maturing in one year or less

 

$
56,882

 

$
22

 

$
(3

)

$
56,901

 

Maturing after one year through three years

 
12,120

 
30

 
(53

)
12,097

 

 

 

 

 

 

 

 

 

 

 

Total U.S. government and municipal obligations

 

$
69,002

 

$
52

 

$
(56

)

$
68,998

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate debt securities

 

 

 

 

 

 

 

 

 

Maturing in one year or less

 

$
120,267

 

$
12

 

$
(92

)

$
120,187

 

Maturing after one year through three years

 
63,299

 
9

 
(85

)
63,223

 

 

 

 

 

 

 

 

 

 

 

Total corporate debt securities

 

$
183,566

 

$
21

 

$
(177

)

$
183,410

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total marketable securities

 

$
252,568

 

$
73

 

$
(233

)

$
252,408

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 June 30, 2015. Marketable securities include $1.6 million and $1.4 million in accrued interest at June 30, 2015 and December 31, 2014, respectively.