Entity tax identification number Entity Tax Identification Number Rollover Contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Mutual Fund Shares Mutual Fund [Member] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Participant contribution, maximum as a percentage of their compensation EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Total Deductions from Net Assets EBP, Change in Net Asset Available for Benefit, Decrease Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Participant-directed Investments at Fair Value (See Note 3) Total Investments at Fair Value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type Level 1 Fair Value, Inputs, Level 1 [Member] EBP, Investment, Fair Value and NAV [Abstract] Assets: EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Additions to Net Assets Attributed to: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Benefits Provided to Participants EBP, Payment to Participant [Policy Text Block] Amendment Flag Amendment Flag Basis of Presentation EBP, Basis of Accounting [Policy Text Block] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Number of shares held EBP, Investment, Number of Shares EBP, Description of Plan and Accounting Change [Abstract] Schedule of the valuation of assets measured at fair value EBP, Investment, Fair Value and NAV [Table Text Block] Concentration of investment at fair value to total investments, amount EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Total Investments, Amount Investments [Domain] Investments [Domain] EBP, Related Party and Party-in-Interest [Domain] EBP, Related Party and Party-in-Interest [Domain] Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Axis] Participant contributions, vesting percentage EBP, Employer Contribution Vesting Percentage EBP, Employer Contribution Vesting Percentage Minimum Minimum [Member] Accelerated matching contribution tier Accelerated Contribution Match [Member] Accelerated Contribution Match Interest from Notes Receivable from Participants Interest from notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Investment Type [Axis] Investment Type [Axis] Total Contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Participant Contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Net Appreciation of Investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Participant catch-up contribution age EBP, Participant Contribution, Catch-Up Contribution Age EBP, Participant Contribution, Catch-Up Contribution Age EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Short term investment fund EBP, Short Term Investment Fund [Member] EBP, Short Term Investment Fund Plan number EBP, Plan Number Other Income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Other Investment Income (Loss) EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Plan Description EBP, Description of Plan [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] Common Stock Kemper common stock EBP, Employer, Common Stock [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Total Additions to Net Assets EBP, Change in Net Asset Available for Benefit, Increase Investment, Identifier [Axis] Investment, Identifier [Axis] Investment Expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Total Investments Reported in the 5500 EBP, Asset Held for Investment Risks and Uncertainties EBP, Risk and Uncertainty [Policy Text Block] Document Information [Line Items] Document Information [Line Items] EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Line Items] Initial matching contribution tier Basic Contribution Match [Member] Basic Contribution Match EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Table] Participant compensation percentage matched EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Employer Contributions EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash EBP, Tax Status [Table] EBP, Tax Status [Table] Increase in Net Assets Available for Benefits EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Exempt Party-in-interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Employer Contributions Receivable EBP, Employer Contribution, Receivable Automatic enrollment contribution rate as percentage of participant compensation EBP, Participant Contribution, Automatic, Deferral Rate Benefits Provided to Participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Dividends EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Participant contribution, minimum as a percentage of their compensation EBP, Participant Contribution, Pretax, Minimum Annual Compensation to Total Compensation, Percentage EBP, Participant Contribution, Pretax, Minimum Annual Compensation to Total Compensation, Percentage Party-in-interest investment, Kemper ESOP EBP, Party-In-Interest Investment, Kemper ESOP [Member] EBP, Party-In-Interest Investment, Kemper ESOP EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] EBP, Tax Status [Abstract] Kemper ESOP Fund EBP, Employer, Common Stock Fund [Member] Loan Administration Fees EBP, Expense [Policy Text Block] Notes Receivable from Participants EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investments EBP, Investment [Policy Text Block] Document Type Document Type Entity Central Index Key Entity Central Index Key Interest rate of participating loans EBP, Asset Held for Investment, Participant Loan, Interest Rate Collective Trusts Common Collective Trust [Member] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] Deductions From Net Assets Attributed to: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Forfeitures used to reduce employer contributions EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Notes Receivable from Participants Notes receivable from participants EBP, Note Receivable from Participant Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Basis of Presentation and Summary of Significant Accounting Policies and Changes EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type EBP, Subsequent Event [Abstract] Subsequent Events EBP, Subsequent Event [Text Block] Federal Income Tax Status EBP, Tax Status [Text Block] Concentration of investment at fair value to total investments, percentage EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Total Investments, Percentage EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Line Items] Document Information [Table] Document Information [Table] Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Level 3 Fair Value, Inputs, Level 3 [Member] Net Assets Available for Benefits Net Assets Available for Benefits, Beginning of the Year Net Assets Available for Benefits, End of the Year EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] EBP 003 EBP 003 [Member] EBP 003 Forfeited nonvested accounts EBP, Forfeited Nonvested Account Employer contribution, matching percentage EBP, Employer Contribution, Matching Percentage Measured at Net Asset Value Fair Value Measured at Net Asset Value Per Share [Member] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items]