3) Investments: Investments Classified by Contractual Maturity Date (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
AmortizedCost	$ 132,401,008	$ 135,018,347
Represents the monetary amount of HeldToMaturitySecuritiesEstimatedFairValue, as of the indicated date.	144,063,537	150,757,375
Available-for-sale Securities, Amortized Cost Basis	7,972,306
Represents the monetary amount of AvailableForSaleSecuritiesEstimatedFairValue, as of the indicated date.	7,025,410
Collateralized Mortgage Backed Securities
AmortizedCost	3,255,965	4,263,206
Represents the monetary amount of HeldToMaturitySecuritiesEstimatedFairValue, as of the indicated date.	3,486,954	4,556,693
Redeemable Preferred Stock
AmortizedCost	612,023	612,023
Represents the monetary amount of HeldToMaturitySecuritiesEstimatedFairValue, as of the indicated date.	635,861	$ 634,055
Common Stock
Available-for-sale Securities, Amortized Cost Basis	7,972,306
Represents the monetary amount of AvailableForSaleSecuritiesEstimatedFairValue, as of the indicated date.	7,025,410
Due in 2015
AmortizedCost	1,498,127
Represents the monetary amount of HeldToMaturitySecuritiesEstimatedFairValue, as of the indicated date.	1,519,903
Due in 2016 through 2019
AmortizedCost	31,328,324
Represents the monetary amount of HeldToMaturitySecuritiesEstimatedFairValue, as of the indicated date.	34,364,866
Due in 2020 through 2024
AmortizedCost	28,140,265
Represents the monetary amount of HeldToMaturitySecuritiesEstimatedFairValue, as of the indicated date.	30,502,468
Due after 2024
AmortizedCost	67,566,304
Represents the monetary amount of HeldToMaturitySecuritiesEstimatedFairValue, as of the indicated date.	$ 73,553,485