v3.26.1
Schedule H, Line 4i- Schedule of Assets (Held at End of Year) (Details) - EBP 007 [Member] - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Schedule of Asset Held for Investment [Line Items]    
Entity Tax Identification Number 04-1663150  
EBP, Plan Number 007  
EBP, Note Receivable from Participant $ 92,890,023 $ 88,987,260
EBP, Asset Held for Investment 7,380,276,532  
EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Distribution $ 553,900 $ 3,752,882
EBP, Participant-Directed [Member]    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Self Directed Brokerage Fund [Member]  
Common Collective Trust [Member]    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 6,974,366,789  
EBP, Self-Directed Brokerage Account [Member]    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 50,820,640  
National Grid American Depository Receipt (ADR) Fund [Member]    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Stock [Member]  
Investment, Identifier [Axis]: "T. Rowe Price Retirement 2005 Trust; Class F | Collective Trust Fund "    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2005 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 6,072,085  
Investment, Identifier [Axis]: "T. Rowe Price Retirement 2010 Trust; Class F | Collective Trust Fund "    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2010 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 2,250,399  
Investment, Identifier [Axis]: Fidelity Managed Income Portfolio II; Class 3 | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Fidelity Managed Income Portfolio II Class 3 [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 479,634,482  
Investment, Identifier [Axis]: National Grid American Depository Receipt (ADR) Fund | Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] National Grid American Depository Receipt (ADR) Fund [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 262,752,980  
Investment, Identifier [Axis]: PIMCO Total Return Fund Collective Trust; Class N | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] PIMCO Total Return Fund Collective Trust Class N [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 105,710,801  
Investment, Identifier [Axis]: Participants    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Asset Held for Investment, Participant Loan, Cost [1],[2] $ 0  
EBP, Note Receivable from Participant [1] $ 92,336,123  
Investment, Identifier [Axis]: Self Directed Brokerage Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Self-Directed Brokerage Account [Member]  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2015 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2015 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 1,743,467  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2020 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2020 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 20,093,485  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2025 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2025 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 23,454,848  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2030 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2030 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 55,215,997  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2035 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2035 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 13,006,609  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2040 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Vanguard Target Retirement 2040 Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 35,386,896  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2045 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2045 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 12,507,120  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2050 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2050 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 22,206,916  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2055 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2055 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 4,623,196  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2060 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Vanguard Target Retirement 2060 Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 9,850,377  
Investment, Identifier [Axis]: T. Rowe Price Retirement 2065 Trust; Class F | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Retirement 2065 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value $ 4,085,215  
Investment, Identifier [Axis]: Vanguard Institutional 500 Index Trust | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Institutional 500 Index Trust [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 915,509,005  
Investment, Identifier [Axis]: Vanguard Institutional Extended Market Index Trust | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Institutional Extended Market Index Trust [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 260,196,489  
Investment, Identifier [Axis]: Vanguard Institutional Total Bond Market Index Trust | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Institutional Total Bond Market Index Trust [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 79,380,321  
Investment, Identifier [Axis]: Vanguard Institutional Total International Stock Market Index Trust | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Institutional Total International Stock Market Index Trust [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 128,165,223  
Investment, Identifier [Axis]: Vanguard Target Retirement 2020 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Target Retirement 2020 Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 247,521,718  
Investment, Identifier [Axis]: Vanguard Target Retirement 2025 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Target Retirement 2025 Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 544,208,958  
Investment, Identifier [Axis]: Vanguard Target Retirement 2030 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Target Retirement 2030 Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 836,168,488  
Investment, Identifier [Axis]: Vanguard Target Retirement 2035 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Target Retirement 2035 Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 623,296,337  
Investment, Identifier [Axis]: Vanguard Target Retirement 2040 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] T. Rowe Price Retirement 2040 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 468,828,177  
Investment, Identifier [Axis]: Vanguard Target Retirement 2045 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Target Retirement 2045 Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 493,042,730  
Investment, Identifier [Axis]: Vanguard Target Retirement 2050 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] T. Rowe Price Retirement 2050 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 557,862,533  
Investment, Identifier [Axis]: Vanguard Target Retirement 2055 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] T. Rowe Price Retirement 2055 Trust Class F [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 418,090,237  
Investment, Identifier [Axis]: Vanguard Target Retirement 2060 Trust Select | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Target Retirement 2060 Trust Select [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 807  
Investment, Identifier [Axis]: Vanguard Target Retirement 2060 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] T. Rowe Price Retirement 2060 Trust Class F [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 269,106,816  
Investment, Identifier [Axis]: Vanguard Target Retirement 2065 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] Vanguard Target Retirement 2065 Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 86,516,162  
Investment, Identifier [Axis]: Vanguard Target Retirement 2070 Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Target Retirement 2070 Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 14,450,421  
Investment, Identifier [Axis]: Vanguard Target Retirement Income Trust; Class A | Collective Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Party-in-Interest [true false] [1] true  
EBP, Investment, Issuer Name [Extensible Enumeration] [1] Vanguard Target Retirement Income Trust Class A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] [1] EBP, Participant-Directed [Member]  
EBP, Investment, Current Value, Type [Extensible Enumeration] [1] Common Collective Trust [Member]  
EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value [1] $ 236,180,474  
Maximum [Member] | Investment, Identifier [Axis]: Participants    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate [1],[3] 8.50%  
Minimum [Member] | Investment, Identifier [Axis]: Participants    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate [1] 3.25%  
[1] Indicates party-in-interest
[2] Cost omitted for participant-directed accounts
[3] Net of deemed loan distributions of $553,900