Investments (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

Investments held consisted of the following (in thousands):



	December 31, 2013
	Amortized cost		Unrealized gains		Unrealized losses			Estimated fair value
Available for sale marketable securities:
U.S. treasury notes	$	10,130	$	—	$	(2	)	$	10,128
Agency bonds⁽¹⁾	37,996		—		(35		)	37,961
Commercial paper	39,987		—		—			39,987
Certificates of deposit	7,786		—		—			7,786
Municipal bonds	49,296		24		(1		)	49,319
Corporate bond	5,002		—		(1		)	5,001
Total available for sale marketable securities	150,197		24		(39		)	150,182
Trading Securities:
Equity securities - mutual funds	5,287		—		—			5,287
Cost Method Investments⁽²⁾	608		—		—			608
Total Investments	$	156,092	$	24	$	(39	)	$	156,077



	December 31, 2012
	Amortized cost		Unrealized gains		Unrealized losses			Estimated fair value
Available for sale marketable securities:
U.S. treasury notes	$	60,785	$	4	$	(3	)	$	60,786
Agency bonds⁽¹⁾	31,153		4		—			31,157
Commercial paper	5,000		—		—			5,000
Certificates of deposit	5,494		—		—			5,494
Municipal bonds	3,227		1		—			3,228
Total available for sale marketable securities	105,659		9		(3		)	105,665
Trading Securities:
Equity securities - mutual funds	3,046		—		—			3,046
Cost Method Investments⁽²⁾	608		—		—			608
Total Investments	$	109,313	$	9	$	(3	)	$	109,319


⁽¹⁾	Agency bonds are securities backed by U.S. government-sponsored entities.


⁽²⁾	Investments for which it is not practical to estimate fair value are included at cost and primarily consist of investments in privately-held companies.

Investments by Balance Sheet Grouping [Table Text Block]

Investments were included in the following captions on the balance sheet as follows (in thousands):



	December 31, 2013								December 31, 2012
	Short-term investments		Long-term investments		Other assets		Total		Short-term investments		Long-term investments		Other assets		Total
Available for sale marketable securities:
U.S. treasury notes	$	10,128	$	—	$	—	$	10,128	$	60,786	$	—	$	—	$	60,786
Agency bonds	10,995		26,966		—		37,961		10,148		21,009		—		31,157
Commercial paper	39,987		—		—		39,987		5,000		—		—		5,000
Certificates of deposit	5,802		1,984		—		7,786		3,598		1,896		—		5,494
Municipal bonds	41,279		8,040		—		49,319		—		3,228		—		3,228
Corporate bond	—		5,001		—		5,001		—		—		—		—
Total fixed maturity securities	108,191		41,991		—		150,182		79,532		26,133		—		105,665
Trading Securities:
Equity securities - mutual funds	—		5,287		—		5,287		—		3,046		—		3,046
Cost Method Investments	—		—		608		608		—		—		608		608
Total Investments	$	108,191	$	47,278	$	608	$	156,077	$	79,532	$	29,179	$	608	$	109,319

Investments Classified by Contractual Maturity Date [Table Text Block]

Contractual maturities or expected liquidation dates of available-for-sale fixed maturity securities at December 31, 2013 were as follows (in thousands):



	Amortized Cost		Fair Value
Due in 1 year or less	$	108,183	$	108,191
Due in 1-5 years	42,014		41,991
Total	$	150,197	$	150,182