11) Derivative Investments: Schedule of Gains and Losses on Derivatives (Details) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Gain (Loss) on Derivatives, Interest Rate Lock Commitments	$ 1,928,111	$ 619,313	$ 2,904,891	$ 677,164
Gain (Loss) on Derivatives, Interest Rate Swaps	2,058	(7,336)	10,033	6,303
GainLossOnDerivativesSubTotal	1,930,169	611,977	2,914,924	683,467
TaxEffect-GainLossOnDerivatives	656,412	208,071	991,074	232,377
Gain (Loss) on Derivatives, Total	$ 1,273,757	$ 403,906	$ 1,923,850	$ 451,090

$ 1,928,111

$ 619,313

$ 2,904,891

$ 677,164

1,930,169

611,977

2,914,924

683,467

$ 1,273,757

$ 403,906

$ 1,923,850

$ 451,090