v3.22.2.2
Cover
Nov. 28, 2022
Cover [Abstract]  
Document Type 8-K
Document Period End Date Nov. 28, 2022
Entity Registrant Name ACACIA RESEARCH CORPORATION
Entity Incorporation, State or Country Code DE
Entity File Number 001-37721
Entity Tax Identification Number 95-4405754
Entity Address, Address Line One 767 Third Avenue,
Entity Address, Address Line Two 6th Floor
Entity Address, City or Town New York,
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10017
City Area Code 949
Local Phone Number 480-8300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol ACTG
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0000934549
Amendment Flag false