XML 7 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover
Mar. 12, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Mar. 12, 2025
Registrant Name Tredegar Corporation
Entity Incorporation, State or Country Code VA
Entity File Number 1-10258
Entity Tax Identification Number 54-1497771
Entity Address, Address Line One 1100 Boulders Parkway
Entity Address, Postal Zip Code 23225
Entity Address, State or Province VA
Entity Address, City or Town Richmond,
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, no par value
Trading Symbol TG
Security Exchange Name NYSE
Entity Emerging Growth Company false
Central Index Key 0000850429
Amendment Flag false
City Area Code (804)
Local Phone Number 330-1000