3) Investments: Held-to-maturity Securities (Details) - USD ($)	3 Months Ended	12 Months Ended
Sep. 30, 2016	Dec. 31, 2015
AmortizedCost	$ 185,679,930	$ 145,558,425
Held-to-maturity Securities, Unrecognized Holding Gain	16,656,254	10,531,839
Held-to-maturity Securities, Unrecognized Holding Loss	(2,739,770)	(5,583,106)
HeldToMaturitySecuritiesEstimatedFairValue	199,596,415	150,507,158
US Treasury and Government
AmortizedCost	4,472,581	3,560,579
Held-to-maturity Securities, Unrecognized Holding Gain	375,865	292,869
Held-to-maturity Securities, Unrecognized Holding Loss	(8,548)	(4,743)
HeldToMaturitySecuritiesEstimatedFairValue	4,839,898	3,848,705
US States and Political Subdivisions Debt Securities
AmortizedCost	6,779,383	1,805,828
Held-to-maturity Securities, Unrecognized Holding Gain	199,454	182,073
Held-to-maturity Securities, Unrecognized Holding Loss	(41,571)	(1,040)
HeldToMaturitySecuritiesEstimatedFairValue	6,937,266	1,986,861
Corporate Debt Securities
AmortizedCost	162,331,688	134,488,108
Held-to-maturity Securities, Unrecognized Holding Gain	15,612,140	9,836,355
Held-to-maturity Securities, Unrecognized Holding Loss	(2,572,792)	(5,501,743)
HeldToMaturitySecuritiesEstimatedFairValue	175,371,036	138,822,720
Collateralized Mortgage Backed Securities
AmortizedCost	11,472,643	5,091,887
Held-to-maturity Securities, Unrecognized Holding Gain	416,243	190,867
Held-to-maturity Securities, Unrecognized Holding Loss	(116,859)	(75,580)
HeldToMaturitySecuritiesEstimatedFairValue	11,772,027	5,207,174
Redeemable Preferred Stock
AmortizedCost	623,635	612,023
Held-to-maturity Securities, Unrecognized Holding Gain	52,552	29,675
HeldToMaturitySecuritiesEstimatedFairValue	$ 676,187	$ 641,698

Represents the monetary amount of HeldToMaturitySecuritiesEstimatedFairValue, as of the indicated date.

No definition available.

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- Definition

Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

+ References

No definition available.

+ Details

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- Definition

Amount of unrecognized gain before loss on investments in held-to-maturity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

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- Definition

Amount of unrecognized loss before gain on investments in held-to-maturity securities. Excludes write-down for other than temporary impairment (OTTI).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

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