Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Total carrying amount of mortgage loans as of the balance sheet date.

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Carrying amount of loans made to policyholders against the cash surrender value (CSV) or other policyholder funds, and secured by the CSV, policyholder funds or the death benefit provided by the insurance contracts.

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Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.

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Fair Value Measurements, Carrying Values and Estimated Fair Values of Financial Instruments not Recorded at Fair Value (Details) - USD ($)	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Carrying Amount [Member]
Assets [Abstract]
Mortgage loans on real estate		$ 18,378,499	$ 18,577,372
Investment real estate		53,077,397	57,138,980
Notes receivable		18,618,464	16,876,485
Policy loans		9,764,728	10,070,134
Cash and cash equivalents		12,506,426	15,156,548
Estimated Fair Value [Member]
Assets [Abstract]
Mortgage loans on real estate		18,378,499	18,577,372
Investment real estate		53,077,397	57,138,980
Notes receivable		18,618,464	16,876,485
Policy loans		9,764,728	10,070,134
Cash and cash equivalents		12,506,426	15,156,548
Mortgage loans on real estate		18,378,499	18,577,372
Investment real estate		53,077,397	57,138,980
Policy loans		9,764,728	10,070,134
Cash and cash equivalents	$ 15,156,548	$ 12,506,426	$ 15,156,548	$ 14,033,579	$ 11,822,615
Minimum [Member]
Liabilities [Abstract]
Policy loan interest rate		4.00%
Maximum [Member]
Liabilities [Abstract]
Policy loan interest rate		8.00%