INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2013

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, 2012 (in thousands):

	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Foreign government securities	$	1,886,822	$	18	$	(287	)	$	1,886,553
U.S. government securities	1,759,773		520		(1		)	1,760,292
Total	$	3,646,595	$	538	$	(288	)	$	3,646,845

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
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