Consolidated Statement Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 107,522	$ 121,663	$ 114,766
Foreign currency translation adjustment, net of tax (benefit) of ($122), $196 and ($198) for the year ended 2013, 2012 and 2011, respectively	78	1,435	(840)
Unrealized gain on available-for-sale investments, net of tax (benefit) of $2,447, $646 and ($142) for the year ended 2013, 2012 and 2011, respectively	4,245	1,954	(602)
Other Comprehensive Income, net of tax	4,323	3,389	(1,442)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	111,845	125,052	113,324
Net Income (Loss) Attributable to Noncontrolling Interest	0	83	0
Comprehensive income attributable to j2 Global, Inc.	$ 111,845	$ 124,969	$ 113,324