Marketable Securities

12 Months Ended

Dec. 31, 2014

Marketable Securities [Abstract]

Marketable Securities

Marketable Securities

All marketable securities were classified as held-to-maturity for the dates presented and the carrying amounts of held-to-maturity securities were as follows (in thousands):

December 31,	2014		2013
U.S. Government and agency obligations	$	10,511	$	10,000
Commercial paper	14,993		39,968
Total short-term marketable securities	25,504		49,968
U.S. Government and agency obligations	76,563		67,234
Total long-term marketable securities	76,563		67,234
Total marketable securities	$	102,067	$	117,202

Scheduled maturities of held-to-maturity investments were as follows (in thousands):

December 31, 2014
Due within one year	$	25,504
Due in one to five years	76,563
Total	$	102,067