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10) Reinsurance, Commitments and Contingencies: Mortgage Loan Loss Settlements (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Details          
Amounts accrued for loan losses $ 1,755,000 $ 1,063,000 $ 4,674,000 $ 2,007,000  
Funds reserved and accrued to settle investor related claims $ 5,751,000   $ 5,751,000   $ 1,718,000