CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 340,091	$ 287,786
Equity securities	63,068	61,608
Equity securities without readily determinable fair value	5,816	5,816
Equity method investments	30,934	30,934
Accounts receivable, net	80,555	8,231
Inventories	10,921	14,222
Prepaid expenses and other current assets	23,127	19,388
Total current assets	554,512	427,985
Property, plant and equipment, net	2,356	3,537
Oil and natural gas properties, net	25,117	0
Goodwill	8,990	7,541
Other intangible assets, net	33,556	36,658
Operating lease, right-of-use assets	1,872	2,005
Deferred income tax assets, net	2,915	0
Other non-current assets	4,227	5,202
Total assets	633,545	482,928
Current liabilities:
Accounts payable	3,261	6,036
Accrued expenses and other current liabilities	8,405	14,058
Accrued compensation	4,207	4,737
Royalties and contingent legal fees payable	10,786	699
Accrued patent costs	4,000	9,000
Deferred revenue	977	1,229
Senior secured notes payable	0	60,450
Total current liabilities	27,636	87,209
Deferred revenue, net of current portion	458	568
Series A embedded derivative liabilities	0	16,835
Series B warrant liabilities	0	84,780
Long-term lease liabilities	1,736	1,873
Deferred income tax liabilities, net	0	742
Revolving credit facility	10,525	0
Other long-term liabilities	3,581	1,675
Total liabilities	43,936	193,682
Commitments and contingencies
Series A redeemable convertible preferred stock, par value $0.001 per share; stated value $100 per share; zero and 350,000 shares authorized, issued and outstanding as of December 31, 2023 and 2022, respectively; aggregate liquidation preference of zero and $35,000 as of December 31, 2023 and 2022, respectively	0	19,924
Stockholders' equity:
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, par value $0.001 per share; 300,000,000 shares authorized; 99,895,473 and 43,484,867 shares issued and outstanding as of December 31, 2023 and 2022, respectively	100	43
Treasury stock, at cost, 16,183,703 shares as of December 31, 2023 and 2022	(98,258)	(98,258)
Additional paid-in capital	906,153	663,284
Accumulated deficit	(239,729)	(306,789)
Total Acacia Research Corporation stockholders' equity	568,266	258,280
Noncontrolling interests	21,343	11,042
Total stockholders' equity	589,609	269,322
Total liabilities, redeemable convertible preferred stock, and stockholders' equity	$ 633,545	$ 482,928
Treasury Stock, Common, Shares	16,183,703