v3.25.2
Cover
Jun. 26, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 26, 2025
Entity File Number 001-36563
Entity Registrant Name ORION S.A.
Entity Central Index Key 0001609804
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code N4
Entity Address, Address Line One 1700 City Plaza Drive
Entity Address, Address Line Two Suite 300
Entity Address, City or Town Spring
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77389
City Area Code 281
Local Phone Number 318-2959
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares, no par value
Trading Symbol OEC
Security Exchange Name NYSE
Entity Emerging Growth Company false