v3.26.1
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) - EBP 026 - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
EBP, Schedule of Asset Held for Investment [Line Items]        
Entity tax identification number     57-0248420  
Plan number     026  
Total investments $ 1,503,371 $ 1,627,713 $ 1,503,371 $ 1,627,713
Investment, Current Value 1,499,556   1,499,556  
Notes receivable from participants $ 33,102   33,102  
Participant loan, interest rate 7.75% 8.50%    
EBP, Asset Held for Investment $ 1,532,658   $ 1,532,658  
Minimum        
EBP, Schedule of Asset Held for Investment [Line Items]        
Participant loan, interest rate     4.25% 4.25%
Maximum        
EBP, Schedule of Asset Held for Investment [Line Items]        
Participant loan, interest rate     9.50% 9.50%
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2020 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 0 $ 28,275 $ 0 $ 28,275
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2025 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 67,324 77,155 67,324 77,155
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2030 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 111,669 131,363 111,669 131,363
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2035 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 99,012 98,764 99,012 98,764
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2040 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 95,936 96,440 95,936 96,440
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2045 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 49,670 47,058 49,670 47,058
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2050 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 58,494 58,436 58,494 58,436
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2055 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 42,025 37,803 42,025 37,803
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2060 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 25,304 23,523 25,304 23,523
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement 2065 Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 16,976 13,020 16,976 13,020
Investment, Identifier [Axis]: Collective Trusts, SSGA Retirement Income Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 32,879 11,286 32,879 11,286
Investment, Identifier [Axis]: Collective Trusts, Bond Market Index Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 104,753 115,986 104,753 115,986
Investment, Identifier [Axis]: Collective Trusts, International Stock Index Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 115,027 115,921 115,027 115,921
Investment, Identifier [Axis]: Collective Trusts, Russell Small Cap Index Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 51,978 59,334 51,978 59,334
Investment, Identifier [Axis]: Collective Trusts, S&P 500 Index Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 362,735 392,516 362,735 392,516
Investment, Identifier [Axis]: Collective Trusts, S&P Mid-Cap Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 111,178 126,162 111,178 126,162
Investment, Identifier [Axis]: Common Stock and Mutual Funds, Self-Managed Account        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 9,576 9,413 9,576 9,413
Investment, Identifier [Axis]: Common Stock and Mutual Funds, Sonoco Stock Fund        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 33,124 41,050 33,124 41,050
Investment, Identifier [Axis]: Stable Value Fund, Gilliard Intermediate Core Fund L        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, Current Value 64,918   64,918  
Investment, Identifier [Axis]: Stable Value Fund, Gilliard Short Core Fund F        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, Current Value 44,038   $ 44,038  
Investment, Identifier [Axis]: Stable Value Fund, Massachusetts Mutual Life Ins. Co., Synthetic Investment Contract 1        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, interest rate     3.21%  
Investment, Identifier [Axis]: Stable Value Fund, Massachusetts Mutual Life Ins. Co., Synthetic Investment Contract 2        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, interest rate     3.21%  
Investment, Identifier [Axis]: Stable Value Fund, Metropolitan Tower Life Ins. Co., Synthetic Investment Contract 1        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, interest rate     3.23%  
Investment, Identifier [Axis]: Stable Value Fund, Metropolitan Tower Life Ins. Co., Synthetic Investment Contract 2        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, interest rate     3.23%  
Investment, Identifier [Axis]: Stable Value Fund, Short-Term Investment Fund II        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments 2,940 4,507 $ 2,940 4,507
Investment, Identifier [Axis]: Stable Value Fund, Synthetic guaranteed investment contracts        
EBP, Schedule of Asset Held for Investment [Line Items]        
Total investments $ 112,771 $ 139,701 $ 112,771 $ 139,701
Investment, Identifier [Axis]: Stable Value Fund, Transamerica Premier Life Ins. Co., Synthetic Investment Contract 1        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, interest rate     3.25%  
Investment, Identifier [Axis]: Stable Value Fund, Transamerica Premier Life Ins. Co., Synthetic Investment Contract 2        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, interest rate     3.25%  
Investment, Identifier [Axis]: Stable Value Fund, Voya Ret. Ins. and Annuity Co., Synthetic Investment Contract 1        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, interest rate     3.25%  
Investment, Identifier [Axis]: Stable Value Fund, Voya Ret. Ins. and Annuity Co., Synthetic Investment Contract 2        
EBP, Schedule of Asset Held for Investment [Line Items]        
Investment, interest rate     3.25%