XML 48 R33.htm IDEA: XBRL DOCUMENT v3.6.0.2
CASH EQUIVALENTS AND INVESTMENTS (Tables)
 12 Months Ended
Dec. 31, 2016
Cash And Cash Equivalents [Abstract]  
Schedule of Cash Equivalents and Investments

Investments as of December 31, 2016 and December 31, 2015 consisted of the following (in thousands):

 

 

 

Amortized

 

 

Unrealized

 

 

Aggregate Fair

 

Investment Classification

 

Cost

 

 

Gains

 

 

(Losses)

 

 

Market Value

 

December 31, 2016

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Certificates of deposit

 

$

3,362

 

 

$

3

 

 

$

—

 

 

$

3,365

 

Money market instruments

 

 

2,998

 

 

 

—

 

 

 

(2

)

 

 

2,996

 

Corporate bonds

 

 

209,595

 

 

 

6

 

 

 

(377

)

 

 

209,224

 

U.S. Government bonds

 

 

32,996

 

 

 

1

 

 

 

(3

)

 

 

32,994

 

 

 

$

248,951

 

 

$

10

 

 

$

(382

)

 

$

248,579

 

December 31, 2015

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Certificates of deposit

 

$

11,532

 

 

$

3

 

 

$

(14

)

 

$

11,521

 

Corporate bonds

 

 

233,848

 

 

 

—

 

 

 

(139

)

 

 

233,709

 

U.S. Government bonds

 

 

54,953

 

 

 

1

 

 

 

(16

)

 

 

54,938

 

 

 

$

300,333

 

 

$

4

 

 

$

(169

)

 

$

300,168