Investments (Tables)

9 Months Ended

Sep. 30, 2013

Investments [Abstract]

Schedule Of Debt Securities By Contractual Maturity Date

The following table summarizes j2 Global’s debt securities designated as available-for-sale, classified by the contractual maturity date of the security (in thousands):

	September 30, 2013		December 31, 2012
Due within 1 year	$	55,668	$	46,681
Due within more than 1 year but less than 5 years	64,392		17,209
Due within more than 5 years but less than 10 years	—		—
Due 10 years or after	2,507		2,633
Total	$	122,567	$	66,523

Schedule Of Available-For-Sale And Trading Securities

The following table summarizes the Company’s investments designated as trading and available-for-sale (in thousands):

	September 30, 2013		December 31, 2012
Trading	$	14	$	3
Available-for-sale	160,666		90,017
Total	$	160,680	$	90,020

Summary Of Gross Unrealized Gains And Losses And Fair Values

The following table summarizes the gross unrealized gains and losses and fair values for the Company's available-for-sale investments as of September 30, 2013 and December 31, 2012 aggregated by major security type (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
September 30, 2013
Debt Securities	$	122,551	$	130	$	(114	)	$	122,567
Equity Securities	20,610		17,489		—			38,099
Total	$	143,161	$	17,619	$	(114	)	$	160,666
December 31, 2012
Debt Securities	$	66,541	$	149	$	(167	)	$	66,523
Equity Securities	20,610		3,251		(367		)	23,494
Total	$	87,151	$	3,400	$	(534	)	$	90,017