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Schedule of Investments Classified by Contractual Maturity Date (Details) - USD ($) | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Marketable Securities [Line Items] |  |
Amortized cost | $ 386,405,977 | $ 390,884,441
Estimated fair value | 375,833,407 | 381,535,986
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 39,788,398 | 40,359,878
Estimated fair value | 35,739,343 | 36,157,571
Redeemable Preferred Stock [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 250,000 | 250,000
Estimated fair value | 260,000 | 260,000
Cemetery Perpectual Care Oblication [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 647,109 |
Estimated fair value | 640,779 |
Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 1,812,838 | 1,860,195
Estimated fair value | 1,804,614 | $ 1,853,860
Due in 1 year [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 72,470,984 |
Estimated fair value | 72,077,712 |
Due in 1 year [Member] | Cemetery Perpectual Care Oblication [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 334,878 |
Estimated fair value | 335,336 |
Due in 1 year [Member] | Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 681,860 |
Estimated fair value | 687,133 |
Due in 2-5 years [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 123,253,754 |
Estimated fair value | 120,601,532 |
Due in 2-5 years [Member] | Cemetery Perpectual Care Oblication [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 258,559 |
Estimated fair value | 252,489 |
Due in 2-5 years [Member] | Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 461,092 |
Estimated fair value | 455,800 |
Due in 5-10 years [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 85,540,964 |
Estimated fair value | 84,576,263 |
Due in 5-10 years [Member] | Cemetery Perpectual Care Oblication [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost |  |
Estimated fair value |  |
Due in 5-10 years [Member] | Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 102,422 |
Estimated fair value | 101,308 |
Due in more than 10 years [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 65,101,877 |
Estimated fair value | 62,578,557 |
Due in more than 10 years [Member] | Cemetery Perpectual Care Oblication [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 53,672 |
Estimated fair value | 52,954 |
Due in more than 10 years [Member] | Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 567,464 |
Estimated fair value | $ 560,373 |

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