v3.26.1
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) - 401(k) Retirement Savings Plan
12 Months Ended
Dec. 31, 2025
USD ($)
shares
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
Entity tax identification number 59-2979916
Plan number 003
Current Value $ 779,642,724
Notes receivable from participants $ 15,095,114
Maturity date of notes receivable from participants Aug. 16, 2041
Total assets $ 809,544,206
EBP, Asset Held for Investment, Party-in-Interest [true false] true
Investment, Identifier [Axis]: American Beacon Small Cap Value Fund Class R6, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:AmericanBeaconFundsMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 398,139
Current Value $ 9,304,520
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: American Century Small Cap Growth R6, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:AmericanCenturyMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 132,252
Current Value $ 3,115,858
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: American Funds New World Fund Class R6, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:AmericanFundsMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 64,912
Current Value $ 6,047,875
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Columbia Dividend Income Fund Z, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:ColumbiaManagementMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 1,335,291
Current Value $ 49,525,964
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Dodge & Cox Income X Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:DodgeCoxMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 1,631,433
Current Value $ 20,980,236
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Federated Capital Preservation Fund, Common Collective Trust Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:FederatedCapitalPreservationFundCommonCollectiveTrustFundMember
EBP, Investment, Current Value, Type [Extensible Enumeration] us-gaap:DefinedBenefitPlanCommonCollectiveTrustMember
Current Value $ 18,604
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Fidelity 500 Index Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:FidelityMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 407,197
Current Value $ 96,798,912
EBP, Asset Held for Investment, Party-in-Interest [true false] true
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Fidelity Cash Reserves, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:FidelityMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 2,878
Current Value $ 2,878
EBP, Asset Held for Investment, Party-in-Interest [true false] true
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Fidelity International Index Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:FidelityMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 185,426
Current Value $ 11,273,961
EBP, Asset Held for Investment, Party-in-Interest [true false] true
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Fidelity Mid Cap Index Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:FidelityMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 297,372
Current Value $ 10,981,969
EBP, Asset Held for Investment, Party-in-Interest [true false] true
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Fidelity Small Cap Index Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:FidelityMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 311,661
Current Value $ 9,639,692
EBP, Asset Held for Investment, Party-in-Interest [true false] true
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Fidelity US Bond Index Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:FidelityMember
Number of Shares | shares 864,376
Current Value $ 9,127,817
EBP, Asset Held for Investment, Party-in-Interest [true false] true
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Franklin Templeton Investments ClearBridge International Growth Fund Class I, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:FranklinTempletonInvestmentsMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 391,206
Current Value $ 29,000,138
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: JP Morgan Mid Cap Growth Class R6, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:JpMorganMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 547,795
Current Value $ 28,342,935
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: NYLI Winslow Large Cap Growth Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:NewYorkLifeInvestmentMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 6,063,164
Current Value $ 71,181,551
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: PIMCO International Bond Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:PimcoMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 205,790
Current Value $ 2,043,501
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Principal High Yield Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:PrincipalFundsMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 1,063,085
Current Value $ 7,133,305
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: SouthState Bank Corporation, Common Shares  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:SouthstateBankCorporationMember
EBP, Investment, Current Value, Type [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockFundMember
Number of Shares | shares 157,132
Current Value $ 14,787,764
EBP, Asset Held for Investment, Party-in-Interest [true false] true
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Federal Money Market Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 42,044,896
Current Value $ 42,044,896
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Real Estate Index Is, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 303,380
Current Value $ 5,888,622
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2020, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 527,882
Current Value $ 14,490,371
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2025, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 2,117,111
Current Value $ 42,236,367
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2030, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 1,328,287
Current Value $ 56,226,420
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2035, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 1,882,808
Current Value $ 51,551,309
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2040, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 961,157
Current Value $ 48,009,810
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2045, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 1,423,820
Current Value $ 49,463,523
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2050, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 626,275
Current Value $ 37,125,604
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2055, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 374,669
Current Value $ 24,788,134
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2060, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 224,189
Current Value $ 13,671,074
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement 2065, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 142,140
Current Value $ 5,689,896
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Vanguard Target Retirement Income, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VanguardMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 270,932
Current Value $ 3,757,831
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Victory Short-Term Bond R6 Fund, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VictoryCapitalManagementMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 248,514
Current Value $ 2,283,850
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Investment, Identifier [Axis]: Victory Sycamore Established Value Fund I, Mutual Funds  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
EBP, Investment, Issuer Name [Extensible Enumeration] ssb:VictoryCapitalManagementMember
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
Number of Shares | shares 397,733
Current Value $ 17,913,905
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
Maximum  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
Loan interest rate 9.50%
Minimum  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)  
Loan interest rate 3.25%