Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2023	Jun. 30, 2023
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2023
Entity File Number	001-12669
Entity Registrant Name	SOUTH STATE CORP
Entity Incorporation, State or Country Code	SC
Entity Tax Identification Number	57-0799315
Entity Address, Address Line One	1101 First Street South, Suite 202,
Entity Address, City or Town	Winter Haven
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33880
City Area Code	863
Local Phone Number	293-4710
Title of 12(b) Security	Common Stock
Trading Symbol	SSB
Security Exchange Name	NYSE
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		$ 4,954,793,000
Auditor Name	Ernst & Young LLP
Auditor Firm ID	42
Auditor Location	Birmingham, Alabama
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Entity Central Index Key	0000764038
Amendment Flag	false