11) Derivative Investments: Schedule of Derivative Assets at Fair Value (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Fair Value of Asset Derivatives, Interest rate lock and forward sales commitments	$ 3,317,507	$ 1,904,901
Fair Value of Liability Derivatives, Interest rate lock and forward sales commitments	2,035,504	210,360
Fair Value of Liability Derivatives, Call Options	109,171	80,102
Fair Value of Liability Derivatives, Interest Rate Swaps	103,033	117,812
Fair Value of Asset Derivatives, Total	3,317,507	1,904,901
Fair Value of Liability Derivatives, Total	$ 2,247,708	$ 408,274