Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Other comprehensive income (loss):
Net Loss, Including Portion Attributable to Noncontrolling Interest	$ 777	$ (13,116)	$ (12,775)	$ (37,686)
Unrealized loss on short-term investments, net of tax of $0	(119)	(373)	(262)	(849)
Unrealized loss on foreign currency translation, net of tax of $0	(113)	0	(141)	0
Reclassification adjustment for losses included in net loss	259	565	343	1,012
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	804	(12,924)	(12,835)	(37,523)
Net Income (Loss) Attributable to Noncontrolling Interest	4,463	(167)	4,041	(316)
Comprehensive loss attributable to Acacia Research Corporation	$ (3,659)	$ (12,757)	$ (16,876)	$ (37,207)