3) Investments: Held-to-maturity Securities (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Amortized Cost	$ 144,709,482	$ 129,449,410
Held-to-maturity Securities, Unrecognized Holding Gain	12,999,664	17,456,239
Held-to-maturity Securities, Unrecognized Holding Loss	(1,407,730)	(688,560)
HeldToMaturitySecuritiesEstimatedFairValue	156,301,416	146,217,089
US Treasury and Government
Amortized Cost	2,287,767	2,602,589
Held-to-maturity Securities, Unrecognized Holding Gain	357,964	514,572
HeldToMaturitySecuritiesEstimatedFairValue	2,645,731	3,117,161
US States and Political Subdivisions Debt Securities
Amortized Cost	1,789,947	2,040,277
Held-to-maturity Securities, Unrecognized Holding Gain	193,721	285,241
Held-to-maturity Securities, Unrecognized Holding Loss	(9,275)	(3,982)
HeldToMaturitySecuritiesEstimatedFairValue	1,974,393	2,321,536
Corporate Debt Securities
Amortized Cost	134,811,745	118,285,147
Held-to-maturity Securities, Unrecognized Holding Gain	12,177,008	16,230,468
Held-to-maturity Securities, Unrecognized Holding Loss	(1,380,808)	(607,322)
HeldToMaturitySecuritiesEstimatedFairValue	145,607,945	133,908,293
Collateralized Mortgage Backed Securities
Amortized Cost	5,132,905	5,010,519
Held-to-maturity Securities, Unrecognized Holding Gain	240,671	327,871
Held-to-maturity Securities, Unrecognized Holding Loss	(8,847)	(76,056)
HeldToMaturitySecuritiesEstimatedFairValue	5,364,729	5,262,334
Redeemable Preferred Stock
Amortized Cost	687,118	1,510,878
Held-to-maturity Securities, Unrecognized Holding Gain	30,300	98,087
Held-to-maturity Securities, Unrecognized Holding Loss	(8,800)	(1,200)
HeldToMaturitySecuritiesEstimatedFairValue	$ 708,618	$ 1,607,765