Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2013

The following is a summary of available-for-sale securities at December 31:



($ in thousands)		2013				2012
Marketable Securities:	Fair Value Hierarchy	Cost		Estimated Fair Value		Cost		Estimated Fair Value
Certificates of deposit
with unrecognized losses for less than 12 months		$	1,690	$	1,677	$	1,578	$	1,571
with unrecognized losses for more than 12 months		110		110		508		507
with unrecognized gains		6,298		6,334		5,586		5,628
Total Certificates of deposit	Level 1	8,098		8,121		7,672		7,706
US Treasury and agency notes
with unrecognized losses for less than 12 months		4,672		4,664		3,057		3,024
with unrecognized losses for more than 12 months		1,699		1,694		874		873
with unrecognized gains		3,713		3,760		12,175		12,267
Total US Treasury and agency notes	Level 2	10,084		10,118		16,106		16,164
Corporate notes
with unrecognized losses for less than 12 months		7,270		7,192		1,993		1,971
with unrecognized losses for more than 12 months		530		523		201		200
with unrecognized gains		21,945		22,173		29,210		29,653
Total Corporate notes	Level 2	29,745		29,888		31,404		31,824
Municipal notes
with unrecognized losses for less than 12 months		1,688		1,677		1,961		1,948
with unrecognized losses for more than 12 months		318		316		620		613
with unrecognized gains		5,267		5,316		6,702		6,794
Total Municipal notes	Level 2	7,273		7,309		9,283		9,355
		$	55,200	$	55,436	$	64,465	$	65,049

The following tables summarize the maturities, at par, of marketable securities by year ($ in thousands):