UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Total revenues	$ 10,084	$ 15,878	$ 32,791	$ 46,102
Costs and expenses:
Cost of revenues - intellectual property operations	9,847	9,930	28,748	27,912
Engineering and development expenses - industrial operations	172	156	593	491
Sales and marketing expenses - industrial operations	1,613	2,119	5,385	6,429
General and administrative expenses	13,872	15,038	35,338	36,813
Total costs and expenses	25,504	27,243	70,064	71,645
Operating loss	(15,420)	(11,365)	(37,273)	(25,543)
Equity securities investments:
Change in fair value of equity securities	8,823	(36,352)	18,783	(266,202)
(Loss) gain on sale of equity securities	0	36,060	(9,360)	114,434
Earnings on equity investment in joint venture	3,375	850	3,375	42,935
Net realized and unrealized gain (loss)	12,198	558	12,798	(108,833)
Change in fair value of the Series A and B warrants and embedded derivatives	1,525	41,638	8,241	34,590
(Loss) gain on foreign currency exchange	(70)	(1,905)	25	(4,532)
Interest expense on Senior Secured Notes	(130)	(1,072)	(1,930)	(5,532)
Interest income and other, net	4,462	1,221	12,210	3,091
Total other income (expense)	17,985	40,440	31,344	(81,216)
Income (loss) before income taxes	2,565	29,075	(5,929)	(106,759)
Income tax benefit (expense)	197	(679)	(641)	14,399
Net income (loss) including noncontrolling interests in subsidiaries	2,762	28,396	(6,570)	(92,360)
Net income attributable to noncontrolling interests in subsidiaries	(1,126)	(306)	(1,126)	(14,319)
Net income (loss) attributable to Acacia Research Corporation	1,636	28,090	(7,696)	(106,679)
(Loss) income per share:
Net (loss) income attributable to common stockholders - Basic	$ (1,740)	$ 20,587	$ (15,703)	$ (112,507)
Weighted average number of shares outstanding - Basic	94,328,452	38,052,426	67,072,835	42,830,700
Basic net income (loss) per common share (in usd per share)	$ (0.02)	$ 0.54	$ (0.23)	$ (2.63)
Net (loss) income attributable to common stockholders - Diluted	$ (3,163)	$ 1,531	$ (15,703)	$ (112,507)
Weighted average number of shares outstanding - Diluted	99,122,973	71,164,236	67,072,835	42,830,700
Diluted net income (loss) per common share (in usd per share)	$ (0.03)	$ 0.02	$ (0.23)	$ (2.63)
Intellectual property operations
Revenues:
Total revenues	$ 1,760	$ 6,320	$ 6,330	$ 16,997
Costs and expenses:
Cost of revenues - intellectual property operations	5,470	5,282	15,218	14,480
Industrial operations
Revenues:
Total revenues	8,324	9,558	26,461	29,105
Costs and expenses:
Cost of revenues - intellectual property operations	$ 4,377	$ 4,648	$ 13,530	$ 13,432