v3.25.2
Document and Entity Information
Jul. 24, 2025
Entity Listings [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 24, 2025
Entity File Number 001-10312
Entity Registrant Name SYNOVUS FINANCIAL CORP.
Entity Central Index Key 0000018349
Entity Incorporation, State or Country Code GA
Entity Tax Identification Number 58-1134883
Entity Address, Address Line One 33 W. 14th Street
Entity Address, City or Town Columbus
Entity Address, State or Province GA
Entity Address, Postal Zip Code 31901
City Area Code 706
Local Phone Number 641-6500
Entity Emerging Growth Company false
Written Communications true
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Common Stock [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security Common Stock (par value $1.00 per share)
Trading Symbol SNV
Security Exchange Name NYSE
Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D
Trading Symbol SNV-PrD
Security Exchange Name NYSE
Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E
Trading Symbol SNV-PrE
Security Exchange Name NYSE