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Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Subsidiary
Principles of Consolidation [Abstract]  
Number of insurance subsidiaries owned by the Parent 4aame_NumberOfInsuranceSubsidiariesOwnedByParent
Number of non-insurance subsidiaries owned by the Parent 1aame_NumberOfNonInsuranceSubsidiariesOwnedByParent
Investments [Abstract]  
Estimated fair value $ 2,214aame_AvailableForSaleDebtSecuritiesValuedUsingSignificantUnobserverableInputs