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Marketable Securities
 6 Months Ended
Jun. 30, 2015
Marketable Securities [Abstract]  
Marketable Securities

Note 4.      marketable securities

 

The amortized cost and fair value of marketable securities were as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As of June 30, 2015

 

 

Amortized Cost

 

 

Gross Unrealized Gains

 

 

Gross Unrealized Losses

 

 

Fair Value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$
143,233 

 

$
12 

 

$
(157)

 

$
143,088 

 

Agency bonds

 

 
18,150 

 

 
1 

 

 

 -

 

 
18,151 

 

U.S. government bonds

 

 
10,211 

 

 
4 

 

 

 -

 

 
10,215 

 

Commercial paper

 

 
3,747 

 

 

 -

 

 

 -

 

 
3,747 

 

International government bond

 

 
2,270 

 

 

 -

 

 
(3)

 

 
2,267 

 

Certificate of deposit

 

 
2,000 

 

 

 -

 

 

 -

 

 
2,000 

 

Municipal bond

 

 
1,400 

 

 
2 

 

 

 -

 

 
1,402 

 

Total marketable securities

 

$
181,011 

 

$
19 

 

$
(160)

 

$
180,870 

 

 

No marketable securities have been in a continuous unrealized loss position for more than twelve months. The marketable securities held by the Company were high investment grade, and there were no marketable securities that we consider to be other-than-temporarily impaired as of June 30, 2015.

 

Remaining contractual maturities of marketable securities were as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

As of June 30, 2015

 

 

Amortized Cost

 

 

Fair Value

 

 

 

 

 

 

 

 

 

Due in one year or less

 

$
114,841 

 

$
114,783 

 

Due after one through two years

 

 
66,170 

 

 
66,087 

 

 

 

$
181,011 

 

$
180,870