v3.26.1
Schedule H, Line 4(i) – Schedule of Assets (Held At End of Year) (Details) - EBP 112
12 Months Ended
Dec. 31, 2025
USD ($)
EBP, Schedule of Asset Held for Investment [Line Items]  
Entity tax identification number 23-0993790
Plan number 112
Total Investments, at Fair Value $ 270,834,244
Total Participant Notes Receivable $ 3,064,928
Minimum  
EBP, Schedule of Asset Held for Investment [Line Items]  
Interest rate 4.25%
Maximum  
EBP, Schedule of Asset Held for Investment [Line Items]  
Interest rate 9.50%
Investment, Identifier [Axis]: Jennison Small/Mid Cap Equity Fund of Prudential Trust | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value $ 3,654,826
Investment, Identifier [Axis]: Loomis Sayles Core Plus Bond Fund; Class N | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 199,715
Investment, Identifier [Axis]: Quaker Chemical Corporation Stock Fund | Common Stock Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 10,809,221
Investment, Identifier [Axis]: Vanguard Brokerage Fund | Self-Directed Brokerage Accounts  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 4,018,114
Investment, Identifier [Axis]: Vanguard Extended Market Index Fund Institutional Shares | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 9,331,814
Investment, Identifier [Axis]: Vanguard Federal Money Market Fund | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 16,632
Investment, Identifier [Axis]: Vanguard Institutional Index Fund Institutional Shares | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 42,399,474
Investment, Identifier [Axis]: Vanguard International Growth Fund Admiral Shares | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 7,716,284
Investment, Identifier [Axis]: Vanguard Retirement Savings Trust III | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 13,306,856
Investment, Identifier [Axis]: Vanguard Target Retirement 2020 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 5,667,542
Investment, Identifier [Axis]: Vanguard Target Retirement 2025 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 16,549,026
Investment, Identifier [Axis]: Vanguard Target Retirement 2030 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 23,241,332
Investment, Identifier [Axis]: Vanguard Target Retirement 2035 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 22,012,151
Investment, Identifier [Axis]: Vanguard Target Retirement 2040 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 17,314,419
Investment, Identifier [Axis]: Vanguard Target Retirement 2045 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 14,194,941
Investment, Identifier [Axis]: Vanguard Target Retirement 2050 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 15,393,941
Investment, Identifier [Axis]: Vanguard Target Retirement 2055 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 10,664,044
Investment, Identifier [Axis]: Vanguard Target Retirement 2060 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 5,191,584
Investment, Identifier [Axis]: Vanguard Target Retirement 2065 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 3,054,726
Investment, Identifier [Axis]: Vanguard Target Retirement 2070 Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 153,919
Investment, Identifier [Axis]: Vanguard Target Retirement Income Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 3,472,076
Investment, Identifier [Axis]: Vanguard Target Retirement Income and Growth Trust II | Common/Collective Trust  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 1,433
Investment, Identifier [Axis]: Vanguard Total Bond Market Index Fund Institutional Shares | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 12,007,457
Investment, Identifier [Axis]: Vanguard Total International Bond Index Fund Admiral Shares | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 1,083,652
Investment, Identifier [Axis]: Vanguard Total International Stock Index Fund Admiral Shares | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 6,251,884
Investment, Identifier [Axis]: Vanguard U.S. Growth Fund Admiral Shares | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value 16,443,704
Investment, Identifier [Axis]: Vanguard Windsor II Fund Admiral Shares | Registered Investment Company  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Investments, at Fair Value $ 6,683,477