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Benefit Plans, Share-based Compensation Stock Option by Exercise Price Range (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
401(k) Plan [Abstract]    
Maximum percentage of compensation employees may defer (in hundredths) 50.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent  
Total matching contribution $ 186us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 173us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Employer maximum contribution to plan (in hundredths) 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch  
Percentage of participants contribution (in hundredths) 4.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent  
Safe harbor non-elective contribution (in hundredths) 3.00%aame_SafeHarborNonElectiveContribution  
Safe harbor non-elective contribution $ 391aame_SafeHarborNonElectiveContributionExpense $ 369aame_SafeHarborNonElectiveContributionExpense