Note 2: Investments: Investments Classified by Contractual Maturity Date (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	$ 129,449,410	$ 127,579,087
HeldToMaturitySecuritiesEstimatedFairValue	146,217,089	136,175,408
Available-for-sale Securities, Amortized Cost Basis	6,067,755	7,271,272
AvailableForSaleSecuritiesEstimatedFairValue	5,405,112	6,299,392
Collateralized Mortgage Backed Securities
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	5,010,519	6,575,178
HeldToMaturitySecuritiesEstimatedFairValue	5,262,334	6,572,565
Redeemable Preferred Stock
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	1,510,878	1,510,878
HeldToMaturitySecuritiesEstimatedFairValue	1,607,765	1,454,317
Nonredeemable Preferred Stock
Available-for-sale Securities, Amortized Cost Basis	20,281	20,281
AvailableForSaleSecuritiesEstimatedFairValue	18,795	18,438
Common Stock
Available-for-sale Securities, Amortized Cost Basis	6,047,474
AvailableForSaleSecuritiesEstimatedFairValue	5,386,317
Due in 2013
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	1,700,455
HeldToMaturitySecuritiesEstimatedFairValue	1,768,905
DueIn2014Through2017Member
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	20,923,480
HeldToMaturitySecuritiesEstimatedFairValue	23,120,438
DueIn2018Through2022Member
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	45,399,136
HeldToMaturitySecuritiesEstimatedFairValue	51,113,794
DueAfter2022Member
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	54,904,942
HeldToMaturitySecuritiesEstimatedFairValue	$ 63,343,853