3) Investments (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Average market value over amortized cost	97.10%		97.10%		97.90%
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease)	$ 0	$ 100,000	$ 0	$ 418,366
Bank and other loans payable	196,422,645		196,422,645		$ 157,450,925
Commercial Real Estate
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross	84,976,000		84,976,000		64,704,000
Bank and other loans payable	52,139,000		52,139,000		40,994,000
Residential Real Estate
Pledged Assets Separately Reported, Other Assets Pledged as Collateral, at Fair Value	0		0		34,431,000
Bank Loans	0		0		26,773,000
Foreclosed Residential Real Estate included in Residential Real Estate Held for Investment	$ 26,747,000		$ 26,747,000		$ 33,372,000

Represents the Average market value over amortized cost, as of the indicated date.

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Represents the monetary amount of Foreclosed Residential Real Estate included in Residential Real Estate Held for Investment, as of the indicated date.

+ References

No definition available.

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Amounts due on short-term bank loans secured by customers' securities on the balance sheet date.

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No definition available.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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Amount of increase (decrease) in the cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (loss).

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The fair value, as of the date of each statement of financial position presented, of other assets which are owned but transferred to serve as collateral for the payment of the related debt obligation, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.

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Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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