Note receivable from participant, account, primary residence, maximum borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term Statistical Measurement [Domain] Statistical Measurement [Domain] Exempt Party-In-Interest Transactions Nonexempt Party-In-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Document Information [Line Items] Document Information [Line Items] Total fully corrected under VFCP and PTE 2002-51 EBP, Schedule of Delinquent Participant Contribution, Corrected Note receivable from participant, maximum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Matching contribution vesting percentage EBP, Employer Contribution Vesting Percentage EBP, Employer Contribution Vesting Percentage Participant contributions receivable EBP, Participant Contribution, Receivable EBP, Description of Plan and Accounting Change [Abstract] Investment Type [Axis] Investment Type [Axis] Excess contributions payable EBP, Excess Contribution Payable [Policy Text Block] Rollovers EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Note receivable from participant, maximum borrowing, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Number of shares EBP, Investment, Number of Shares Income Tax Status EBP, Tax Status [Text Block] EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Dividends and interest EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Notes receivable from participants EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Employer contribution maximum vesting age EBP, Employer Contribution Maximum Vesting Age EBP, Employer Contribution Maximum Vesting Age Net assets available for benefits per Form 5500 EBP, Form 5500 Caption, Net Assets Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Participant contribution, remitted to trustee, subsequent to required remittance period EBP, Participant Contribution, Remitted To Trustee, Subsequent To Required Remittance Period EBP, Participant Contribution, Remitted To Trustee, Subsequent To Required Remittance Period EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] Contributions corrected outside VFCP EBP, Schedule of Delinquent Participant Contribution, Corrected Outside VFCP Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Net gain per the Form 5500 EBP, Form 5500 Caption, Net Income (Loss) Note receivable from participant, minimum borrowing, percentage EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Purchases and sales EBP, Purchases and Sales [Policy Text Block] EBP, Purchases and Sales EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Benefit payments to participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Employer contributions receivable EBP, Employer Contribution, Receivable Participant contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Employer Matching Contribution EBP, Employer Matching Contribution [Member] EBP, Employer Matching Contribution Benefits payable EBP, Payment to Participant [Policy Text Block] NET ASSETS AVAILABLE FOR BENEFITS Beginning of year End of year Net assets available for benefits per the financial statements EBP, Net Asset Available for Benefit EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Employer contribution, break in service period EBP, Employer Contribution, Break In Service, Period EBP, Employer Contribution, Break In Service, Period Total assets EBP, Asset Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Schedule of Delinquent Participant Contribution [Abstract] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] Employer, Common Stock EBP, Employer, Common Stock [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Tax Status [Abstract] Net increase Net increase EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Cover [Abstract] Requisite service period, part time employees EBP, Requisite Service Period, Part Time Employees EBP, Requisite Service Period, Part Time Employees Maximum Maximum [Member] Employer contributions, net of forfeitures EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Contributions pending correction in VFCP EBP, Schedule of Delinquent Participant Contribution, Pending Correction in VFCP EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type Minimum Minimum [Member] Dvidend income on investment EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment EBP, Schedule of Asset Held for Investment [Abstract] Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Entity [Domain] Entity [Domain] Schedule H, Part IV, Line 4a - Schedule of Delinquent Participant Contributions EBP, Schedule of Delinquent Participant Contribution [Table Text Block] Asset held for investment EBP, Asset Held for Investment Investment, Identifier [Axis] Investment, Identifier [Axis] Contributions not corrected 1 EBP, Schedule of Delinquent Participant Contribution, Not Corrected EBP, Schedule of Delinquent Participant Contribution [Line Items] EBP, Schedule of Delinquent Participant Contribution [Line Items] EBP, Investment, Fair Value and NAV [Abstract] Participant contributions earned; received in subsequent year EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Receivables, Participant Contributions EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Receivables, Participant Contributions Employer contribution, matching percentage EBP, Employer Contribution, Matching Percentage Basis of accounting EBP, Basis of Accounting [Policy Text Block] EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Line Items] Note receivable from participant, general loan, maximum borrowing term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term Risks and uncertanties EBP, Risk and Uncertainty [Policy Text Block] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Mutual funds Mutual Fund [Member] EBP, Description of Plan [Table] EBP, Description of Plan [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] Investments EBP, Investment [Policy Text Block] Amendment Flag Amendment Flag Interest EBP, Interest Income Policy [Policy Text Block] EBP, Interest Income Policy Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Common Collective Trust Fund Common Collective Trust [Member] Investments measured at net asset value1 Fair Value Measured at Net Asset Value Per Share [Member] EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] Current value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Statement of Change in Net Asset Available for Benefit [Abstract] EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] Employer contribution vesting service period EBP, Employer Contribution Vesting Service Period EBP, Employer Contribution Vesting Service Period EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Related Party and Party-in-Interest Transactions [Abstract] Forfeited nonvested account EBP, Forfeited Nonvested Account Requisite service period, full time employees EBP, Requisite Service Period, Full Time Employees EBP, Requisite Service Period, Full Time Employees EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Contributions: EBP, Contribution [Abstract] EBP, 401(K) Plan EBP, 401(K) Plan [Member] EBP, 401(K) Plan Forfeited nonvested account, decrease from employer contribution EBP, Forfeited Nonvested Account, Decrease from Employer Contribution EBP, Statement of Net Asset Available for Benefit [Abstract] Deemed distribution EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Distribution Description of Plan EBP, Description of Plan [Text Block] Summary of Accounting Policies EBP, Summary of Accounting Policy [Text Block] Forfeited nonvested account, decrease from administrative expense EBP, Forfeited Nonvested Account, Decrease from Administrative Expense Net change in employee contribution receivable EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Change In Employee Contribution Receivable EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Change In Employee Contribution Receivable EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items] Entity Central Index Key Entity Central Index Key Participant loan, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate Investments, at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Legal Entity [Axis] Legal Entity [Axis] Total investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Document Type Document Type EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Use of estimates EBP, Use of Estimate [Policy Text Block] Statistical Measurement [Axis] Statistical Measurement [Axis] Administrative fees EBP, Trustee And Administrative Fees EBP, Trustee And Administrative Fees Notes receivable from participants EBP, Note Receivable from Participant Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) EBP, Schedule of Asset Held for Investment [Table Text Block] Net change in deemed distribution EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Deemed Distribution Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Increase (decrease) from realized gain (loss) on investment EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Realized Gain (Loss) on Investment EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Investments [Domain] Investments [Domain] EBP, Subsequent Event [Abstract] Benefits payable EBP, Liability to Participant Schwab Personal Choice Retirement Account EBP, Self-Directed Brokerage Account [Member] Document Information [Table] Document Information [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Level 1 Fair Value, Inputs, Level 1 [Member] Entity Registrant Name Entity Registrant Name Note receivable from participant, accrued interest amount EBP, Note Receivable From Participant, Account, Accrued Interest EBP, Note Receivable From Participant, Account, Accrued Interest Subsequent Events EBP, Subsequent Event [Text Block] Investment income: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Percentage of total investments EBP, Investment, Employer, Common Stock, to Total Asset, Percentage Common Stock Common Stock Common Stock [Member] EBP, Tax Status [Table] EBP, Tax Status [Table] EBP, Schedule of Delinquent Participant Contribution [Table] EBP, Schedule of Delinquent Participant Contribution [Table] Receivables: EBP, Receivable [Abstract] Total investments classified within the fair value hierarchy Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Dividends EBP, Dividends [Policy Text Block] EBP, Dividends Total receivables EBP, Receivable Elective Deferral Contributions, Rollover Contributions, Catch-up contributions, And Any Earnings Thereto EBP, Elective Deferral Contributions, Rollover Contributions, Catch-up contributions, And Any Earnings Thereto [Member] EBP, Elective Deferral Contributions, Rollover Contributions, Catch-Up Contributions, And Any Earnings Thereto Employer contribution, participant compensation matched percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage Fixed Rate Contribution EBP, Fixed Rate Contribution [Member] EBP, Fixed Rate Contribution