INVESTMENTS (Tables)

6 Months Ended

Jun. 30, 2014

Investments, Debt and Equity Securities [Abstract]

Short-term investments

The following table summarizes, by major security type, the Company's short-term investments as of December 31, 2013 (in thousands): 

	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale securities
Foreign government securities	$	4,019,530	$	233	$	(356	)	$	4,019,407
U.S. government securities	1,443,083		250		(20		)	1,443,313
Total	$	5,462,613	$	483	$	(376	)	$	5,462,720

The following table summarizes, by major security type, the Company's short-term investments as of June 30, 2014 (in thousands): 

	Cost		Gross  Unrealized  Gains		Gross  Unrealized Losses			Fair Value
Available for sale securities
Foreign government securities	$	2,291,203	$	669	$	(365	)	$	2,291,507
U.S. government securities	1,369,107		234		(41		)	1,369,300
Total	$	3,660,310	$	903	$	(406	)	$	3,660,807