CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

9 Months Ended

Sep. 30, 2014

Cash and Cash Equivalents [Abstract]

CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

5. CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

It is the Company’s policy to mitigate credit risk in its financial assets by maintaining a well-diversified portfolio that limits the amount of exposure as to maturity and investment type. The following tables summarize the Company’s cash, cash equivalents and short-term investments for each of the periods indicated:

	As of September 30, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Market Value
	(in thousands)
Cash and money market funds	$	52,299	$	—	$	—		$	52,299
Commercial paper		2,995		—		—			2,995
Government and government agency bonds		92,846		1		(25	)		92,822
Corporate bonds		87,932		—		(31	)		87,901
Total	$	236,072	$	1	$	(56	)	$	236,017
As reported:
Cash and cash equivalents		52,299		—		—			52,299
Short-term investments		183,773		1		(56	)		183,718
Total	$	236,072	$	1	$	(56	)	$	236,017

	As of December 31, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Market Value
	(in thousands)
Cash and money market funds	$	256,965	$	—	$	—	$	256,965
Total	$	256,965	$	—	$	—	$	256,965
As reported:
Cash and cash equivalents	$	256,965	$	—	$	—	$	256,965
Total	$	256,965	$	—	$	—	$	256,965