Investments: Investments Classified by Contractual Maturity Date (Details)	Jun. 30, 2021 USD ($)
Marketable Securities [Line Items]
Amortized Cost	$ 233,569,650
Estimated fair value	260,957,676
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Marketable Securities [Line Items]
Amortized Cost	28,259,360
Estimated fair value	29,362,842
Redeemable Preferred Stock [Member]
Marketable Securities [Line Items]
Amortized Cost	269,214
Estimated fair value	282,826
Cemeteries And Mortuaries
Marketable Securities [Line Items]
Amortized Cost	470,918
Estimated fair value	479,754
Due In 25 Years [Member]
Marketable Securities [Line Items]
Amortized Cost	65,576,854
Estimated fair value	69,598,648
Commercial Real Estate
Marketable Securities [Line Items]
Amortized Cost	71,005,630
Estimated fair value	79,264,125
Utah
Marketable Securities [Line Items]
Amortized Cost	67,987,674
Estimated fair value	$ 81,969,481