UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Total revenues	$ 7,904	$ 16,717	$ 22,707	$ 30,224
Costs and expenses:
Cost of revenues - intellectual property operations	8,943	9,226	18,901	17,982
Engineering and development expenses - industrial operations	205	145	421	335
Sales and marketing expenses - industrial operations	1,859	2,294	3,772	4,310
General and administrative expenses	9,426	10,722	21,466	21,775
Total costs and expenses	20,433	22,387	44,560	44,402
Operating loss	(12,529)	(5,670)	(21,853)	(14,178)
Equity securities investments:
Change in fair value of equity securities	6,617	(57,647)	9,960	(229,850)
(Loss) gain on sale of equity securities	(7,999)	11,498	(9,360)	78,374
Earnings on equity investment in joint venture	0	42,085	0	42,085
Net realized and unrealized (loss) gain	(1,382)	(4,064)	600	(109,391)
Change in fair value of the Series A and B warrants and embedded derivatives	(9,935)	(35,146)	6,716	(7,048)
Gain (loss) on foreign currency exchange	15	(1,814)	95	(2,627)
Interest expense on Senior Secured Notes	(900)	(1,859)	(1,800)	(4,460)
Interest income and other, net	4,307	863	7,748	1,870
Total other (expense) income	(7,895)	(42,020)	13,359	(121,656)
Loss before income taxes	(20,424)	(47,690)	(8,494)	(135,834)
Income tax benefit (expense)	1,645	200	(838)	15,078
Net loss including noncontrolling interests in subsidiaries	(18,779)	(47,490)	(9,332)	(120,756)
Net income attributable to noncontrolling interests in subsidiaries	0	(14,013)	0	(14,013)
Net loss attributable to Acacia Research Corporation	(18,779)	(61,503)	(9,332)	(134,769)
Loss per share:
Net loss attributable to common stockholders - Basic	$ (21,155)	$ (63,443)	$ (13,962)	$ (138,560)
Weighted average number of shares outstanding - Basic	58,408,711	43,988,677	53,219,152	45,259,435
Basic net income (loss) per common share (in usd per share)	$ (0.36)	$ (1.44)	$ (0.26)	$ (3.06)
Net loss attributable to common stockholders - Diluted	$ (21,155)	$ (63,443)	$ (13,962)	$ (138,560)
Weighted average number of shares outstanding - Diluted	58,408,711	43,988,677	53,219,152	45,259,435
Diluted net income (loss) per common share (in usd per share)	$ (0.36)	$ (1.44)	$ (0.26)	$ (3.06)
Intellectual property operations
Revenues:
Total revenues	$ 394	$ 8,062	$ 4,570	$ 10,677
Costs and expenses:
Cost of revenues - intellectual property operations	5,010	4,634	9,748	9,198
Industrial operations
Revenues:
Total revenues	7,510	8,655	18,137	19,547
Costs and expenses:
Cost of revenues - intellectual property operations	$ 3,933	$ 4,592	$ 9,153	$ 8,784