v3.26.1
Document And Entity Information - USD ($)
 12 Months Ended
Jun. 30, 2026
Jul. 31, 2026
Dec. 31, 2025
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Jun. 30, 2026    
Document Transition Report false    
Securities Act File Number 001-13988    
Entity Registrant Name Covista Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 36-3150143    
Entity Address, Address Line One 233 South Wacker Drive    
Entity Address, City or Town Chicago    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60606    
City Area Code 312    
Local Phone Number 651-1400    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 3,488,231,961
Entity Common Stock, Shares Outstanding   34,038,820  
DOCUMENTS INCORPORATED BY REFERENCE

Part III incorporates information by reference to the registrant’s definitive proxy statement with respect to the 2026 annual meeting of shareholders (the “Proxy Statement”), to be filed with the Securities and Exchange Commission within 120 days after the close of the fiscal year ended June 30, 2026.

    
Current Fiscal Year End Date --06-30    
Document Fiscal Year Focus 2026    
Entity Central Index Key 0000730464    
Document Fiscal Period Focus FY    
Amendment Flag false    
Auditor Name PricewaterhouseCoopers LLP    
Auditor Firm ID 238    
Auditor Location Chicago, Illinois    
New York Stock Exchange      
Document Information [Line Items]      
Title of 12(b) Security Common stock, $0.01 par value per share    
Trading Symbol CVSA    
Security Exchange Name NYSE    
NYSE Texas      
Document Information [Line Items]      
Title of 12(b) Security Common stock, $0.01 par value per share    
Trading Symbol CVSA    
Security Exchange Name NYSETX