8) Fair Value of Financial Instruments: Schedule of fair value assets and liabilities measured on a recurring basis (Details) - USD ($)		Mar. 31, 2021	Dec. 31, 2020
Trading Securities, Equity		$ 279,550,528	$ 294,656,679
Available-for-sale Securities		11,154,495	11,324,239
Loans Held-for-sale, Fair Value Disclosure		304,030,372	422,772,418
Restricted assets of cemeteries and mortuaries	[1]	1,456,017	1,473,637
Restricted assets of cemeteries and mortuaries	[2]	2,704,704	2,515,778
Cemetery perpetual care trust investments	[1]	738,979	747,767
Cemetery perpetual care trust investments	[2]	2,208,138	2,062,303
Derivatives - loan commitments	[3]	10,671,623	12,592,672
Assets, Fair Value Disclosure, Recurring		612,514,856	748,145,493
Derivatives - bank loan interest rate swaps, Call Options	[4]	(79,567)	(43,097)
Derivatives - bank loan interest rate swaps, loan commitments	[4]	(228,547)	(2,464,062)
Obligations, Fair Value Disclosure		(308,114)	(2,507,159)
Fair Value, Inputs, Level 1
Trading Securities, Equity		0	0
Available-for-sale Securities		11,154,495	11,324,239
Loans Held-for-sale, Fair Value Disclosure		0	0
Restricted assets of cemeteries and mortuaries	[1]	0	0
Restricted assets of cemeteries and mortuaries	[2]	2,704,704	2,515,778
Cemetery perpetual care trust investments	[1]	0	0
Cemetery perpetual care trust investments	[2]	2,208,138	2,062,303
Derivatives - loan commitments	[3]	0	0
Assets, Fair Value Disclosure, Recurring		16,067,337	15,902,320
Derivatives - bank loan interest rate swaps, Call Options	[4]	(79,567)	(43,097)
Derivatives - bank loan interest rate swaps, loan commitments	[4]	0	0
Obligations, Fair Value Disclosure		(79,567)	(43,097)
Fair Value, Inputs, Level 2
Trading Securities, Equity		277,359,435	292,455,504
Available-for-sale Securities		0	0
Loans Held-for-sale, Fair Value Disclosure		0	0
Restricted assets of cemeteries and mortuaries	[1]	1,456,017	1,473,637
Restricted assets of cemeteries and mortuaries	[2]	0	0
Cemetery perpetual care trust investments	[1]	738,979	747,767
Cemetery perpetual care trust investments	[2]	0	0
Derivatives - loan commitments	[3]	0	0
Assets, Fair Value Disclosure, Recurring		279,554,431	294,676,908
Derivatives - bank loan interest rate swaps, Call Options	[4]	0	0
Derivatives - bank loan interest rate swaps, loan commitments	[4]	0	0
Obligations, Fair Value Disclosure		0	0
Fair Value, Inputs, Level 3
Trading Securities, Equity		2,191,093	2,201,175
Available-for-sale Securities		0	0
Loans Held-for-sale, Fair Value Disclosure		304,030,372	422,772,418
Restricted assets of cemeteries and mortuaries	[1]	0	0
Restricted assets of cemeteries and mortuaries	[2]	0	0
Cemetery perpetual care trust investments	[1]	0	0
Cemetery perpetual care trust investments	[2]	0	0
Derivatives - loan commitments	[3]	10,671,623	12,592,672
Assets, Fair Value Disclosure, Recurring		316,893,088	437,566,265
Derivatives - bank loan interest rate swaps, Call Options	[4]	0	0
Derivatives - bank loan interest rate swaps, loan commitments	[4]	(228,547)	(2,464,062)
Obligations, Fair Value Disclosure		$ (228,547)	$ (2,464,062)

[1] Fixed maturity securities available for sale

[2] Equity securities

[3] Included in other assets on the consolidated balance sheets

[4] Included in other liabilities and accrued expenses on the consolidated balance sheets