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CASH, CASH EQUIVALENTS AND INVESTMENTS
 9 Months Ended
Sep. 30, 2017
Cash And Cash Equivalents [Abstract]  
CASH, CASH EQUIVALENTS AND INVESTMENTS

4.

CASH, CASH EQUIVALENTS AND INVESTMENTS:

The Company considers all highly liquid debt instruments purchased with an original maturity of three months or less to be cash equivalents. The Company classifies its remaining investments as available-for-sale. These securities are carried at fair market value, with unrealized gains and losses reported in shareholders’ equity. Gains or losses on securities sold are based on the specific identification method. Investments as of September 30, 2017 and December 31, 2016 consisted of the following (in thousands):

 

 

 

Amortized

 

 

Unrealized

 

 

Aggregate Fair

 

Investment Classification

 

Cost

 

 

Gains

 

 

(Losses)

 

 

Market Value

 

September 30, 2017

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Certificates of deposit

 

$

1,230

 

 

$

2

 

 

$

—

 

 

$

1,232

 

Commercial paper

 

 

—

 

 

 

—

 

 

 

0

 

 

 

—

 

Corporate bonds

 

 

69,886

 

 

 

6

 

 

 

(206

)

 

 

69,686

 

U.S. Government securities

 

 

245,147

 

 

 

25

 

 

 

(17

)

 

 

245,155

 

 

 

$

316,263

 

 

$

33

 

 

$

(223

)

 

$

316,073

 

December 31, 2016

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Certificates of deposit

 

$

3,362

 

 

$

3

 

 

$

—

 

 

$

3,365

 

Commercial paper

 

 

2,998

 

 

 

—

 

 

 

(2

)

 

 

2,996

 

Corporate bonds

 

 

209,595

 

 

 

6

 

 

 

(377

)

 

 

209,224

 

U.S. Government securities

 

 

32,996

 

 

 

1

 

 

 

(3

)

 

 

32,994

 

 

 

$

248,951

 

 

$

10

 

 

$

(382

)

 

$

248,579

 

As of September 30, 2017, there was $5.0 million of government securities included in cash equivalents in the consolidated balance sheet.