Sublease Income Sublease Income Increase (Decrease) in Accounts Receivable Net future policy benefits and unpaid claims Represents the monetary amount of Net future policy benefits and unpaid claims, as of the indicated date. Other Revenue, Net Represents the monetary amount of Other Revenue, Net, during the indicated time period. Derivative, Notional Amount Foreign currency translation adjustments {1} Foreign currency translation adjustments Increase Dececrease in Unrealized gains on restricted assets Represents the monetary amount of Increase Dececrease in Unrealized gains on restricted assets, during the indicated time period. Revenue from customers Represents the monetary amount of Revenue from customers, during the indicated time period. Consolidated Represents the Consolidated, during the indicated time period. Plan Name [Axis] Employee Stock Ownership Plan (ESOP) Name [Axis] Commitments to fund new residential construction loans funded Represents the monetary amount of Commitments to fund new residential construction loans funded, as of the indicated date. Year of Expiration 2024 Represents the Year of Expiration 2024, during the indicated time period. Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Federal Income Tax Expense (Benefit), Continuing Operations Restricted Assets, Fixed Maturity Securities, Available for Sale Represents the Restricted Assets, Fixed Maturity Securities, Available for Sale, during the indicated time period. Trust investments in excess of trust obligations Represents the monetary amount of Trust Investments in Excess of Trust Obligations, as of the indicated date. Current Installment Current Installment Represents the monetary amount of Current Installment, as of the indicated date. Finance lease liabilities 3.0B Loan Purchase Agreement Represents the 3.0B Loan Purchase Agreement, during the indicated time period. 4.329 Note Payable Represents the 4.329 Note Payable, during the indicated time period. Other Receivables Secondary gains Represents the monetary amount of Secondary gains, during the indicated time period. Impaired Financing Receivable, with Related Allowance, Average Recorded Investment Aging of Loans [Axis] Represents the description of Aging of Loans, during the indicated time period. Segments [Axis] Real Estate Represents the Real Estate, during the indicated time period. Mortgage Loans Real Estate Represents the Mortgage Loans Real Estate, during the indicated time period. Contractual Maturity Represents the Contractual Maturity, during the indicated time period. Held-to-maturity Securities, Unrecognized Holding Loss Represents the monetary amount of Held-to-maturity Securities, Unrecognized Holding Loss, during the indicated time period. Debt Securities, Held-to-maturity, Amortized Cost, before Other-than-temporary Impairment Schedule of Future Minimum Rental Payments for Operating Leases Summary of Unpaid Principal Balances of the Servicing Portfolio Represents the textual narrative disclosure of Summary of Unpaid Principal Balances of the Servicing Portfolio, during the indicated time period. Business Acquisition, Acquiree Schedule of Changes in accumulated other comprehensive income Represents the textual narrative disclosure of Schedule of Changes in accumulated other comprehensive income, during the indicated time period. Schedule of Goodwill by Segment Residential Real Estate Investment Represents the textual narrative disclosure of Residential Real Estate Investment, during the indicated time period. Investments {2} Investments Held-to-maturity Securities {1} Held-to-maturity Securities Represents the Held to Maturity Securities, during the indicated time period. Participating Insurance Represents the textual narrative disclosure of Participating Insurance, during the indicated time period. 4) Receivables Mortgage loans held for investment foreclosed into receivables Represents the monetary amount of Mortgage Loans Held for Investment Foreclosed into Receivables, during the indicated time period. Mortgage loans held for investment foreclosed into real estate held for investment Represents the monetary amount of Mortgage loans foreclosed into real estate, during the indicated time period. Total cash, cash equivalents, restricted cash and restricted cash equivalents Restricted Cash and Cash Equivalents, Current Restricted Cash and Cash Equivalents, Current Net change in line of credit borrowings Net changes in cemetery perpetual care trust investments Represents the monetary amount of Increase Decrease In Assets For Perpetual Care Trusts, during the indicated time period. Net cash provided by (used in) operating activities Net cash provided by (used in) operating activities Change in fair value of loans held for sale Represents the monetary amount of Change in fair value of loans held for sale, during the indicated time period. Retained Earnings Rent and rent related Selling, general and administrative expenses: Insurance premiums and other considerations Preferred Stock, Par or Stated Value Per Share Future policy benefits and unpaid claims Liabilities and Stockholders' Equity Value of business acquired Entity File Number Well-known Seasoned Issuer Finance Lease, Right-of-Use Asset, after Accumulated Amortization Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Cost Finance Lease, Right-of-Use Asset, Amortization Contract Asset Represents the Contract Asset, during the indicated time period. Mortgage Servicing Rights {2} Mortgage Servicing Rights Represents the monetary amount of Mortgage Servicing Rights, as of the indicated date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Investments Represents the monetary amount of Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Investments, as of the indicated date. Unrealized gains on restricted assets {1} Unrealized gains on restricted assets Represents the monetary amount of Unrealized gains on restricted assets, during the indicated time period. Restricted Assets 2 Represents the Restricted Assets 2, during the indicated time period. Fixed maturity securities available for sale Represents the Fixed maturity securities available for sale, during the indicated time period. Cemetery perpetual care trust investments {2} Cemetery perpetual care trust investments Represents the monetary amount of Cemetery perpetual care trust investments, as of the indicated date. Cemetery perpetual care trust investments {1} Cemetery perpetual care trust investments Represents the monetary amount of Cemetery perpetual care trust investments, as of the indicated date. Fair Value, Inputs, Level 1 Security National Life Insurance Represents the Security National Life Insurance, during the indicated time period. Weighted Average Fair Value of Each Option Former VP of Mortgage Operations and Pres of SecurityNational Mortgage Represents the Former VP of Mortgage Operations and Pres of SecurityNational Mortgage, during the indicated time period. Compensation [Axis] Represents the description of Compensation, during the indicated time period. Year of Expiration Thereafter up through 2037 Represents the Year of Expiration Thereafter up through 2037, during the indicated time period. Tax Period Represents the Tax Period, during the indicated time period. Finite-Lived Intangible Asset, Useful Life Value of business acquired, balance at start of period Value of business acquired, balance at start of period Value of business acquired, balance at start of period Represents the monetary amount of Value of business acquired, balance at start of period, as of the indicated date. Loan loss reserve, Charge-offs and settlements Loan loss reserve, Charge-offs and settlements Represents the monetary amount of Loan loss reserve, Charge-offs and settlements, during the indicated time period. Loan fees Represents the monetary amount of Loan fees, during the indicated time period. Performing Financing Receivable Represents the Performing Financing Receivable, during the indicated time period. Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance Total Past Due Represents the Total Past Due, during the indicated time period. Life Insurance and Mortgage Operations Represents the Life Insurance and Mortgage Operations, during the indicated time period. Less Than 12 Months Represents the Less Than 12 Months, during the indicated time period. Mortgage loans on real estate and construction, allowance for losses Represents the monetary amount of Mortgage loans on real estate and construction, allowance for losses, as of the indicated date. Time Duration Represents the Time Duration, during the indicated time period. US States and Political Subdivisions Debt Securities Advertising {1} Advertising Goodwill {1} Goodwill Future Policy Benefits and Unpaid Claims Cemetery Land and Improvements Represents the textual narrative disclosure of Cemetery Land and Improvements, during the indicated time period. Supplemental Cash Flow Information Investment contract withdrawals Investment contract withdrawals Sales of real estate held for investment Total benefits and expenses Total benefits and expenses Costs related to funding mortgage loans Represents the monetary amount of Cost Of Funding Mortgage Loans, during the indicated time period. Total investments Total investments Entity Address, City or Town Leases [Axis] Represents the description of Leases, during the indicated time period. Income Statement Location Receivables Contract Assets and Contract Liabilities Represents the Receivables Contract Assets and Contract Liabilities, during the indicated time period. Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accrued investment income Represents the monetary amount of Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accrued investment income, as of the indicated date. Increase (Decrease) in Unrealized gains on fixed maturity securities available-for-sale Represents the monetary amount of Increase (Decrease) in Unrealized gains on fixed maturity securities available-for-sale, during the indicated time period. All Plans - December 1 2017 Represents the All Plans - December 1 2017, during the indicated time period. Employee stock options Represents the monetary amount of Employee stock options, during the indicated time period. Compensation Represents the Compensation, during the indicated time period. Insurance assumed from other companies Represents the monetary amount of Insurance assumed from other companies, as of the indicated date. Tax Period [Axis] Unrecognized Tax Benefits Deferred Tax, Loan Loss Reserve Represents the monetary amount of Deferred Tax, Loan Loss Reserve, as of the indicated date. Mortgage Warehouse Line of Credit 1 Represents the Mortgage Warehouse Line of Credit 1, during the indicated time period. Other loans payable Represents the Other loans payable, during the indicated time period. Debt Instrument [Axis] Finite-Lived Intangible Assets, Net Value of business acquired - net amortization charged to income Value of business acquired - net amortization charged to income Represents the monetary amount of Value of business acquired - net amortization charged to income, during the indicated time period. Aggregate unpaid principal balance - Loans Held for Sale Represents the monetary amount of Aggregate unpaid principal balance - Loans Held for Sale, as of the indicated date. Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment Life Insurance Sales, Minden, LA Represents the Life Insurance Sales, Minden, LA, during the indicated time period. Florida Represents the Florida, during the indicated time period. New Mexico Represents the New Mexico, during the indicated time period. Cemeteries And Mortuaries Represents the Cemeteries And Mortuaries, during the indicated time period. Cash and Cash Equivalents {1} Cash and Cash Equivalents Represents the Cash and Cash Equivalents, during the indicated time period. Foreclosed Residential Real Estate included in Residential Real Estate Held for Investment Represents the monetary amount of Foreclosed Residential Real Estate included in Residential Real Estate Held for Investment, as of the indicated date. Insurance assignments Represents the monetary amount of Insurance assignments, as of the indicated date. Mortgage loans on real estate and construction, unamortized deferred loan fees, net Mortgage loans on real estate and construction, unamortized deferred loan fees, net Represents the monetary amount of Mortgage loans on real estate and construction, unamortized deferred loan fees, net, as of the indicated date. Schedule of Changes in the consolidated balance sheet line items measured using level 3 inputs Represents the textual narrative disclosure of Schedule of Changes in the consolidated balance sheet line items measured using level 3 inputs, during the indicated time period. Schedule of Assumptions Used Share-based Payment Arrangement, Option, Activity Schedule of Deferred Tax Assets and Liabilities Schedule of combined maturities of bank loans payable, lines of credit and notes and contracts payable Represents the textual narrative disclosure of Schedule of combined maturities of bank loans payable, lines of credit and notes and contracts payable, during the indicated time period. Schedule of Impaired Mortgage Loans Represents the textual narrative disclosure of Schedule of Impaired Mortgage Loans, during the indicated time period. Real Estate Owned and Occupied by the Company Other Intangibles (trade name and customer lists) Reinsurance Deferred Policy Acquisition Costs and Value of Business Acquired Right-of-use assets obtained in exchange for finance lease liabilities Sales of property and equipment Purchases of fixed maturity securities Purchases of fixed maturity securities Increase (Decrease) in Other Current Assets and Liabilities, Net Benefit plans funded with treasury stock {1} Benefit plans funded with treasury stock Payments to acquire treasury stock Represents the monetary amount of Payments to acquire treasury stock, during the indicated time period. Treasury Stock, Shares Bank and other loans payable SEC Form Common Class A Operating Leases Represents the Operating Leases, during the indicated time period. Major Goods Or Services Lines, Pre Need Represents the Major Goods Or Services Lines, Pre Need, during the indicated time period. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Future policy benefits and unpaid claims Represents the monetary amount of Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Future policy benefits and unpaid claims, as of the indicated date. Increase (Decrease) in Other comprehensive income (loss), Balance Represents the monetary amount of Increase (Decrease) in Other comprehensive income (loss), Balance, during the indicated time period. Unrealized gains for foreign currency translation adjustments Represents the monetary amount of Unrealized gains for foreign currency translation adjustments, during the indicated time period. Originations Represents the monetary amount of Originations, during the indicated time period. Minimum Assets, Fair Value Disclosure, Recurring Represents the monetary amount of Assets, Fair Value Disclosure, Recurring, as of the indicated date. Administrative costs, intersegment Represents the monetary amount of Administrative costs, intersegment, during the indicated time period. First Guaranty Insurance Company Represents the First Guaranty Insurance Company, during the indicated time period. Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Unaudited Represents the Unaudited, during the indicated time period. Deferred Tax, Deferred Gains Represents the monetary amount of Deferred Tax, Deferred Gains, as of the indicated date. Deferred Tax, Value of business acquired Represents the monetary amount of Deferred Tax, Value of business acquired, as of the indicated date. Deferred Tax, Deposit Obligations Represents the monetary amount of Deferred Tax, Deposit Obligations, as of the indicated date. Restricted Assets, Mutual Funds Represents the Restricted Assets, Mutual Funds, during the indicated time period. Total Cemetery Perpetual Care Trust Investments Represents the monetary amount of Total Cemetery Perpetual Care Trust Investments, as of the indicated date. Finite-Lived Intangible Assets, Major Class Name Due in 1 Year Represents the Due in 1 Year, during the indicated time period. Past Due 30 to 59 Days Represents the Past Due 30 to 59 Days, during the indicated time period. Square Footage Occupied by the Company Represents the Square Footage Occupied by the Company, as of the indicated date. Unrealized Gains and Losses on securities held at end of period Represents the monetary amount of Unrealized Gains and Losses on securities held at end of period, during the indicated time period. Gains Losses on Investments by Category [Axis] Represents the description of Gains Losses on Investments by Category, during the indicated time period. Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax Total Represents the Total, during the indicated time period. Right-of-Use Assets and Lease Liabilities TextBlock Represents the textual narrative disclosure of Right-of-Use Assets and Lease Liabilities TextBlock, during the indicated time period. Accumulated Balances of Other Comprehensive Income Represents the textual narrative disclosure of Accumulated Balances of Other Comprehensive Income, during the indicated time period. Schedule of the components of the cemetery perpetual care obligation Represents the textual narrative disclosure of Schedule of the components of the cemetery perpetual care obligation, during the indicated time period. Schedule of Value of Business Acquired Represents the textual narrative disclosure of Schedule of Value of Business Acquired, during the indicated time period. Commercial Real Estate, Held-for-Sale Represents the Commercial Real Estate, Held-for-Sale, during the indicated time period. As of December 31, 2019 Represents the As of December 31, 2019, during the indicated time period. Property and Equipment Restricted Assets Represents the textual narrative disclosure of Restricted Assets, during the indicated time period. 3) Loans Held For Sale Represents the textual narrative disclosure of 3) Loans Held For Sale, during the indicated time period. Cash flows from financing activities: Payments received for mortgage loans held for investment, other investments and policy loans Share-based Payment Arrangement, Amount Capitalized Net earnings Net earnings Commissions Benefits and expenses: Preferred Stock, Shares Authorized Aggregate Fair Value, Cemetary Perpetual Care Trust Investments Represents the monetary amount of Aggregate Fair Value, Cemetary Perpetual Care Trust Investments, as of the indicated date. Accounts Receivable, Allowance for Credit Loss