Document And Entity Information
Mar. 29, 2022
Document Information [Line Items]  
Entity, Registrant Name ION Geophysical Corporation
Document, Type 8-K
Document, Period End Date Mar. 29, 2022
Entity, Incorporation, State or Country Code DE
Entity, File Number 1-12691
Entity, Tax Identification Number 22-2286646
Entity, Address, Address Line One 4203 Yoakum Blvd., Suite 100
Entity, Address, City or Town Houston
Entity, Address, State or Province TX
Entity, Address, Postal Zip Code 77006
City Area Code 281
Local Phone Number 933-3339
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 $0.01 per share
Trading Symbol IO
Security Exchange Name NYSE
Entity, Emerging Growth Company false
Amendment Flag false
Entity, Central Index Key 0000866609