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Schedule of Financial Instruments Carried at Other Than Fair Value (Details) - USD ($) | Mar. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment | $ 268,636,784 |  | $ 275,616,837 |  |
Other investments and policy loans (net of allowance for credit losses of $1,587,525 and $1,553,836 for 2024 and 2023, respectively) | 70,510,984 |  | 69,404,617 |  |
Restricted assets | 20,878,561 |  | 20,028,976 |  |
Cemetery perpetual care trust investments | 8,368,975 |  | 8,082,917 |  |
Mortgage servicing rights | 3,318,155 |  | 3,461,146 |  | $ 3,039,765
Mortgage servicing rights, estimated fair value | 4,767,315 |  | 4,543,657 |  |
Bank and other loans payable | (104,335,116) |  | (105,555,137) |  |
Future policy benefits and unpaid claims | (923,292,031) |  | (916,038,616) |  |
Residential Mortgage [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment | 103,574,492 |  | 99,519,750 |  |
Other investments and policy loans, estimated fair value | 100,743,889 |  | 96,998,106 |  |
Residential Mortgage [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment |  |  |  |  |
Residential Mortgage [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment |  |  |  |  |
Residential Mortgage [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment | 100,743,889 |  | 96,998,106 |  |
Residential Construction [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment | 99,150,788 |  | 103,529,896 |  |
Other investments and policy loans, estimated fair value | 99,150,788 |  | 103,529,896 |  |
Residential Construction [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment |  |  |  |  |
Residential Construction [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment |  |  |  |  |
Residential Construction [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment | 99,150,788 |  | 103,529,896 |  |
Commercial Loan [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment | 65,911,504 |  | 72,567,191 |  |
Other investments and policy loans, estimated fair value | 65,471,144 |  | 72,149,530 |  |
Commercial Loan [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment |  |  |  |  |
Commercial Loan [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment |  |  |  |  |
Commercial Loan [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment | 65,471,144 |  | 72,149,530 |  |
Mortgage Loans Net 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment | 268,636,784 |  | 275,616,837 |  |
Other investments and policy loans, estimated fair value | 265,365,821 |  | 272,677,532 |  |
Mortgage Loans Net 1 [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment |  |  |  |  |
Mortgage Loans Net 1 [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment |  |  |  |  |
Mortgage Loans Net 1 [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage loans held for investment | 265,365,821 |  | 272,677,532 |  |
Policy Loan [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Other investments and policy loans, estimated fair value | 13,248,999 |  | 13,264,183 |  |
Other investments and policy loans (net of allowance for credit losses of $1,587,525 and $1,553,836 for 2024 and 2023, respectively) | 13,248,999 |  | 13,264,183 |  |
Policy Loan [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Other investments and policy loans (net of allowance for credit losses of $1,587,525 and $1,553,836 for 2024 and 2023, respectively) |  |  |  |  |
Policy Loan [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Other investments and policy loans (net of allowance for credit losses of $1,587,525 and $1,553,836 for 2024 and 2023, respectively) |  |  |  |  |
Policy Loan [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Other investments and policy loans (net of allowance for credit losses of $1,587,525 and $1,553,836 for 2024 and 2023, respectively) | 13,248,999 |  | 13,264,183 |  |
Insurance Assignments [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Other investments and policy loans (net of allowance for credit losses of $1,587,525 and $1,553,836 for 2024 and 2023, respectively) | 45,123,053 | [1] | 44,051,486 | [2] |
Other investments and policy loans, estimated fair value | 45,123,053 | [1] | 44,051,486 | [2] |
Insurance Assignments [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Other investments and policy loans (net of allowance for credit losses of $1,587,525 and $1,553,836 for 2024 and 2023, respectively) |  | [1] |  | [2] |
Insurance Assignments [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Other investments and policy loans (net of allowance for credit losses of $1,587,525 and $1,553,836 for 2024 and 2023, respectively) |  | [1] |  | [2] |
Insurance Assignments [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Other investments and policy loans (net of allowance for credit losses of $1,587,525 and $1,553,836 for 2024 and 2023, respectively) | 45,123,053 | [1] | 44,051,486 | [2] |
Restricted Assets [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Restricted assets | 183,574 | [3] | 675,219 | [4] |
Restricted assets, estimated fair value | 183,574 | [3] | 675,219 | [4] |
Restricted Assets [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Restricted assets |  | [3] |  | [4] |
Restricted Assets [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Restricted assets |  | [3] |  | [4] |
Restricted Assets [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Restricted assets | 183,574 | [3] | 675,219 | [4] |
Cemetery Perpetual Care Trust Investments [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Cemetery perpetual care trust investments | 123,353 | [3] | 246,865 | [4] |
Cemetery perpetual care trust investments, estimated fair value | 123,353 | [3] | 246,865 | [4] |
Cemetery Perpetual Care Trust Investments [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Cemetery perpetual care trust investments |  | [3] |  | [4] |
Cemetery Perpetual Care Trust Investments [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Cemetery perpetual care trust investments |  | [3] |  | [4] |
Cemetery Perpetual Care Trust Investments [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Cemetery perpetual care trust investments | 123,353 | [3] | 246,865 | [4] |
Mortgage Servicing Rights [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage servicing rights | 3,318,155 |  | 3,461,146 |  |
Mortgage servicing rights, estimated fair value | 4,767,315 |  | 4,543,657 |  |
Mortgage Servicing Rights [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage servicing rights |  |  |  |  |
Mortgage Servicing Rights [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage servicing rights |  |  |  |  |
Mortgage Servicing Rights [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Mortgage servicing rights | 4,767,315 |  | 4,543,657 |  |
Bank And Other Loans Payable [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Bank and other loans payable | (104,335,116) |  | (105,555,137) |  |
Bank and other loans payable, fair value | (85,370,689) |  | (105,555,137) |  |
Bank And Other Loans Payable [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Bank and other loans payable |  |  |  |  |
Bank And Other Loans Payable [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Bank and other loans payable |  |  |  |  |
Bank And Other Loans Payable [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Bank and other loans payable | (85,370,689) |  | (105,555,137) |  |
Policyholder Account Balances [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Future policy benefits and unpaid claims | (38,923,981) | [5] | (39,245,123) | [6] |
Future policy benefits and unpaid claims | (46,252,703) | [5] | (48,920,691) | [6] |
Policyholder Account Balances [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Future policy benefits and unpaid claims |  | [5] |  | [6] |
Policyholder Account Balances [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Future policy benefits and unpaid claims |  | [5] |  | [6] |
Policyholder Account Balances [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Future policy benefits and unpaid claims | (46,252,703) | [5] | (48,920,691) | [6] |
Future Policy Benefits Annuities [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Future policy benefits and unpaid claims | (106,089,620) | [5] | (106,285,010) | [6] |
Future policy benefits and unpaid claims | (100,231,984) | [5] | (102,177,585) | [6] |
Future Policy Benefits Annuities [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Future policy benefits and unpaid claims |  | [5] |  | [6] |
Future Policy Benefits Annuities [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Future policy benefits and unpaid claims |  | [5] |  | [6] |
Future Policy Benefits Annuities [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Future policy benefits and unpaid claims | $ (100,231,984) | [5] | $ (102,177,585) | [6] |
[1] | Included in other investments and policy loans on the condensed consolidated balance sheets
[2] | Included in other investments and policy loans on the consolidated balance sheets
[3] | Mortgage loans held for investment
[4] | Mortgage loans held for investment
[5] | Included in future policy benefits and unpaid claims on the condensed consolidated balance sheets
[6] | Included in future policy benefits and unpaid claims on the consolidated balance sheets

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- Definition Fair value of cemetery perpetual care trust investments. + References No definition available. + Details
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- Definition Fair Value of Policy and Other Loans Receivable. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The fair value as of the balance sheet date of firm holdings in mortgages, mortgage backed securities (investment instruments that represent ownership of an undivided interest in a group of mortgages, where principal and interest from the individual mortgages are used to pay investors' principal and interest on the mortgage backed security) and asset-backed securities that are primarily paid from the cash flows of a discrete pool of receivables or other financial assets (such as credit-card receivables), either fixed or revolving, that by their terms convert into cash within a finite time period. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479035/940-320-45-2 + Details
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- Definition The aggregate amount of policy reserves (provided for future obligations including unpaid claims and claims adjustment expenses) and policy benefits (liability for future policy benefits) as of the balance sheet date; grouped amount of all the liabilities associated with the company's insurance policies. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (cc) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(13)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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