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] Tranche Two EBP, Employer Matching Contribution, Tranche Two [Member] EBP, Tranche Two Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Mutual funds Mutual Fund [Member] Applicable Non-Forfeitable Percentage EBP, Employer Contribution Vesting Percentage Company contribution and/ or investment earning percentage vesting to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions, upon completion of minimum service period or attainment of maximum vesting age Sales of investments EBP, Investment Sold, Excluding Plan Interest in Master Trust, Selling Price EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Percentage of annual pre-tax compensation eligible for employees to contribute EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Net increase (decrease) in net assets before plan transfers EBP, Change In Net Asset Available For Benefit, Increase (Decrease) Before Transfer To (From) Fund Within ESOP EBP, Change In Net Asset Available For Benefit, Increase (Decrease) Before Plan Transfers 2 or more EBP, More Than Two Years [Member] EBP, More Than Two Years Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Maximum loan amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount FAIR VALUE MEASUREMENTS EBP, Investment, Fair Value and NAV [Text Block] Minimum loan amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Total investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Investment Income (Loss), after Investment Expense Investments, at fair value: Value of shares of the Plan sponsor's common stock EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value 3 but less than 4 EBP, More Than Three Years But Less Than Four Years [Member] EBP, More Than Three Years But Less Than Four Years Of Service Level 1 Fair Value, Inputs, Level 1 [Member] EBP, Investment, Fair Value and NAV [Abstract] Excess Contributions Payable EBP, Excess Contribution Payable [Policy Text Block] Total assets EBP, Asset Assets: EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Additions: 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] Benefit Payment Provisions EBP, Payment to Participant [Policy Text Block] EBP, Employer Matching Contribution, Tranches [Domain] EBP, Employer Matching Contribution, Tranches [Domain] EBP, Employer Matching Contribution, Tranches [Domain] 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] Discretionary employer contribution percentage EBP, Discretionary Employer Contribution, Percentage EBP, Discretionary Employer Contribution, Percentage Interest rate credited EBP, Investment, Interest Rate EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] Schedule of Investments Measured at Fair Value on a Recurring Basis by Fair Value Hierarchy EBP, Investment, Fair Value and NAV [Table Text Block] Investments [Domain] Investments [Domain] Use of Estimates in the Preparation of Financial Statements EBP, Use of Estimate [Policy Text Block] Schedule H, Part IV, Line 4i – Schedule of Assets (Held at End of the Year) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Employer contributions EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Vesting percentage triggering forfeiture of non-vested portion of employer contribution account EBP, Forfeited Nonvested Account, Vesting Percentage EBP, Forfeited Nonvested Account, Vesting Percentage Minimum Minimum [Member] Inter-plan transfer to GLSI Plan EBP, Change in Net Asset Available for Benefit, Transfer to (from) Fund within ESOP Interest income—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 Service period break triggering forfeiture of non-vested portion of employer contribution account EBP, Forfeited Nonvested Account, Service Period Break EBP, Forfeited Nonvested Account, Service Period Break Participant contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Basis spread on variable rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Participant Loan, Basis Spread On Variable Rate Net appreciation (depreciation) in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Plan number EBP, Plan Number EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] DESCRIPTION OF PLAN 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] Interest income EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment Contributions EBP, Contribution [Policy Text Block] Globe Life Inc. 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 EBP, Change in Net Asset Available for Benefit, Increase Investment Income EBP, Investment Income [Policy Text Block] EBP, Investment Income Investment income: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Short-term investments Short-Term Investments [Member] Investment, Identifier [Axis] Investment, Identifier [Axis] Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Total EBP, Asset Held for Investment Risks and Uncertainties EBP, Risk and Uncertainty [Policy Text Block] Document Information [Line Items] Document Information [Line Items] Insurance Company General Account Fund: Insurance Company General Account Fund [Member] Insurance Company General Account Fund EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] Net assets available for benefits: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) [Abstract] Percentage of participant's contributions matched EBP, Employer Contribution, Participant Compensation Matched, Percentage Safe Harbor Employer Matching Contributions EBP, Safe Harbor Employer Matching Contribution [Member] EBP, Safe Harbor Employer Matching Contribution EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Investment in Plan sponsor's common stock as a percentage of total investments EBP, Investment, Employer, Common Stock, to Total Asset, Percentage Discretionary Employer Contributions EBP, Discretionary Employer Contribution [Member] EBP, Discretionary Employer Contribution RELATED PARTY TRANSACTIONS AND EXEMPT PARTY-IN-INTEREST TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Text Block] EBP, Related Party and Party-in-Interest Transactions [Abstract] Excess contributions due to participants EBP, Excess Contribution Payable EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Employer contribution receivable EBP, Employer Contribution, Receivable Annual increase percentage to automatic salary deferral rate EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate Annual increase in percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) until the contribution reaches maximum threshold. Automatic salary deferral rate EBP, Participant Contribution, Automatic, Deferral Rate Investments, at fair value: EBP, Investment, Fair Value [Abstract] Federal Income Taxes EBP, Income Taxes [Policy Text Block] EBP, Income Taxes Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Dividends on investments Dividend income 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] EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Investments, at contract value: EBP, Investment, Contract Value [Abstract] EBP, Requisite Service Period [Axis] EBP, Requisite Service Period [Axis] EBP, Requisite Service Period EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type EBP 001 EBP 001 [Member] EBP 001 Loan borrowing term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term Administrative Expenses EBP, Expense [Policy Text Block] Participant Loans EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Valuation of Investments EBP, Investment [Policy Text Block] Net increase (decrease) in net assets after plan transfers EBP, Change In Net Asset Available For Benefit, Increase (Decrease) After Transfer To (From) Fund Within ESOP EBP, Change In Net Asset Available For Benefit, Increase (Decrease) After Transfer To (From) Fund Within ESOP Document Type Document Type Schedule of Participant's Employer Contribution Vesting EBP, Employer Contribution Vesting [Table Text Block] EBP, Employer Contribution Vesting Entity Central Index Key Entity Central Index Key Anniversary from date of hire employee is eligible to participate EBP, Requisite Service Period EBP, Requisite Service Period Interest rates for participant loans Interest rates EBP, Asset Held for Investment, Participant Loan, Interest Rate Forfeitures allocated to participant accounts EBP, Forfeited Nonvested Account, Reallocated to Participant EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] Less than 2 EBP, Less Than Two Years [Member] EBP, Less Than Two Years Of Service Deductions: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Forfeitures applied to reduce employer contributions EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Number of consecutive breaks in service triggering forfeiture of non-vested portion of employer contribution account EBP, Forfeited Nonvested Account, Number Of Consecutive Service Period Breaks EBP, Number Of Lapses In Service Period Triggering Account Forfeiture Notes receivable from participants EBP, Note Receivable from Participant Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name 4 but less than 5 EBP, More Than Four Years But Less Than Five Years [Member] EBP, More Than Four Years But Less Than Five Years Of Service Purchases of investments EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Cost EBP, Subsequent Event [Abstract] SUBSEQUENT EVENTS EBP, Subsequent Event [Text Block] Investments valued on a cost basis EBP, Investment, Excluding Plan Interest in Master Trust, Cost EBP, Requisite Service Period [Domain] EBP, Requisite Service Period [Domain] EBP, Requisite Service Period [Domain] Maximum percentage of participant's vested account balance EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Tranche One EBP, Employer Matching Contribution, Tranche One [Member] EBP, Employer Matching Contribution, Tranche One EBP, Employer Matching Contribution, Tranches [Axis] EBP, Employer Matching Contribution, Tranches [Axis] EBP, Employer Matching Contribution, Tranches 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] PLAN AMENDMENTS AND CHANGES IN PLAN OPERATIONS EBP, Plan Amendments And Change In Plan Operations [Text Block] EBP, Plan Amendments And Change In Plan Operations 6 or more EBP, More Than Six Years [Member] EBP, More Than Six Years Of Service 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 Beginning of plan year End of plan year EBP, Net Asset Available for Benefit Total investments EBP, Investment, Excluding Plan Interest in Master Trust, Fair and Contract Value Entity [Domain] Entity [Domain] 2 but less than 3 EBP, More Than Two Years But Less Than Three Years [Member] EBP, More Than Two Years But Less Than Three Years Of Service Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Insurance company general account fund EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Unallocated forfeitures EBP, Forfeited Nonvested Account Participating employers matching percentage EBP, Employer Contribution, Matching Percentage 5 but less than 6 EBP, More Than Five Years But Less Than Six Years [Member] EBP, More Than Five Years But Less Than Six Years 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]