INVESTMENTS

The following table summarizes, by major security type, the Company's short-term investments as of March 31, 2014 (in thousands):



	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale securities
Foreign government securities	$	3,823,066	$	242	$	(328	)	$	3,822,980
U.S. government securities	1,599,045		354		(21		)	1,599,378
Total	$	5,422,111	$	596	$	(349	)	$	5,422,358

As of March 31, 2014, foreign government securities included investments in debt securities issued by the governments of Germany, the Netherlands, and the United Kingdom.

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

There were no realized gains or losses related to investments for the three months ended March 31, 2014 and 2013.