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OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - The M Group Products and Income Recognition (Details) - The M Group
12 Months Ended
Dec. 31, 2015
The M Group products and income recognition  
Term life insurance policies, term one (in years) 10 years
Term life insurance policies, term two (in years) 15 years
Term life insurance policies, term three (in years) 20 years
Term life insurance policies, term four (in years) 30 years
Term for which majority of the term life insurance policies are written (in years) 20 years