3) Investments: ScheduleOfCreditRiskOfMortgageLoansBasedOnPerformanceStatus (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Mortgage loans	$ 84,283,286	$ 88,702,066
Performing Financing Receivable
Mortgage loans	74,371,158	77,022,961
Nonperforming Financing Receivable
Mortgage loans	9,912,128	11,679,105
Commercial Loan
Mortgage loans	33,727,560	34,956,031
Commercial Loan | Performing Financing Receivable
Mortgage loans	33,584,307	34,812,779
Commercial Loan | Nonperforming Financing Receivable
Mortgage loans	143,253	143,252
Residential Mortgage
Mortgage loans	49,359,697	50,584,923
Residential Mortgage | Performing Financing Receivable
Mortgage loans	39,879,290	40,683,664
Residential Mortgage | Nonperforming Financing Receivable
Mortgage loans	9,480,407	9,901,259
Residential Construction
Mortgage loans	1,196,029	3,161,112
Residential Construction | Performing Financing Receivable
Mortgage loans	907,561	1,526,518
Residential Construction | Nonperforming Financing Receivable
Mortgage loans	$ 288,468	$ 1,634,594