3) Investments: Investments Classified by Contractual Maturity Date (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Amortized Cost	$ 131,017,591	$ 127,579,087
HeldToMaturitySecuritiesEstimatedFairValue	148,135,138	136,175,407
Available-for-sale Securities, Amortized Cost Basis	6,316,218
AvailableForSaleSecuritiesEstimatedFairValue	5,404,888
Collateralized Mortgage Backed Securities
Amortized Cost	5,298,258	6,575,178
HeldToMaturitySecuritiesEstimatedFairValue	5,531,828	6,572,564
Redeemable Preferred Stock
Amortized Cost	1,510,878	1,510,878
HeldToMaturitySecuritiesEstimatedFairValue	1,588,620	1,454,317
Nonredeemable Preferred Stock
Available-for-sale Securities, Amortized Cost Basis	20,281	20,281
AvailableForSaleSecuritiesEstimatedFairValue	19,575	18,438
Common Stock
Available-for-sale Securities, Amortized Cost Basis	6,295,937
AvailableForSaleSecuritiesEstimatedFairValue	5,385,313
Due in 2012
Amortized Cost	300,706
HeldToMaturitySecuritiesEstimatedFairValue	301,899
Due in 2013 through 2016
Amortized Cost	17,444,315
HeldToMaturitySecuritiesEstimatedFairValue	19,009,264
Due in 2017 through 2021
Amortized Cost	50,211,439
HeldToMaturitySecuritiesEstimatedFairValue	56,777,245
Due after 2021
Amortized Cost	56,251,995
HeldToMaturitySecuritiesEstimatedFairValue	$ 64,926,282