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Schedule of Investments Classified by Contractual Maturity Date (Details) - USD ($) | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Marketable Securities [Line Items] |  |
Amortized cost | $ 380,283,562 | $ 362,750,511
Estimated fair value | 356,448,259 | 345,858,492
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 32,889,293 | 33,501,686
Estimated fair value | 27,147,491 | 29,569,712
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 | 379,163 | 263,205
Estimated fair value | 367,392 | 254,731
Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 1,566,376 | 1,234,818
Estimated fair value | 1,534,526 | $ 1,217,308
Due in 1 year [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 6,818,008 |
Estimated fair value | 6,812,398 |
Due in 1 year [Member] | Cemetery Perpectual Care Oblication [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 29,573 |
Estimated fair value | 30,000 |
Due in 1 year [Member] | Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost |  |
Estimated fair value |  |
Due in 2-5 years [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 160,874,392 |
Estimated fair value | 155,802,499 |
Due in 2-5 years [Member] | Cemetery Perpectual Care Oblication [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 254,242 |
Estimated fair value | 245,011 |
Due in 2-5 years [Member] | Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 702,873 |
Estimated fair value | 692,458 |
Due in 5-10 years [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 93,763,663 |
Estimated fair value | 88,297,470 |
Due in 5-10 years [Member] | Cemetery Perpectual Care Oblication [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 41,086 |
Estimated fair value | 40,113 |
Due in 5-10 years [Member] | Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 111,301 |
Estimated fair value | 110,090 |
Due in more than 10 years [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 85,688,206 |
Estimated fair value | 78,128,401 |
Due in more than 10 years [Member] | Cemetery Perpectual Care Oblication [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 54,262 |
Estimated fair value | 52,268 |
Due in more than 10 years [Member] | Restricted Assets [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 752,202 |
Estimated fair value | $ 731,978 |

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