v3.25.2
Cover
Jul. 22, 2025
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Jul. 22, 2025
Entity Registrant Name Forestar Group Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-33662
Entity Tax Identification Number 26-1336998
Entity Address, Address Line One 2221 E. Lamar Blvd.
Entity Address, Address Line Two Suite 790
Entity Address, City or Town Arlington
Entity Address, State or Province TX
Entity Address, Postal Zip Code 76006
City Area Code 817
Local Phone Number 769-1860
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 $1.00 per share
Trading Symbol FOR
Entity Emerging Growth Company false
Entity Central Index Key 0001406587
Amendment Flag false
NYSE CHICAGO, INC.  
Entity Information [Line Items]  
Security Exchange Name CHX
NEW YORK STOCK EXCHANGE, INC.  
Entity Information [Line Items]  
Security Exchange Name NYSE