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v3.21.1

Benefit Plans, 401(k) Plans (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
401(k) Plan [Abstract] |  |
Maximum percentage of compensation employees may defer | 50.00% |
Total matching contribution | $ 231 | $ 230
Employer maximum contribution to plan | 35.00% | 35.00%
Percentage of participants contribution | 6.00% | 6.00%
Safe harbor non-elective contribution | 3.00% | 3.00%
Safe harbor non-elective contribution | $ 520 | $ 524
Employer contribution graded vesting period | 5 years |

X
- Definition The period over which the employers matching contributions to a defined contribution plan vests. + References No definition available. + Details
Name: | aame_DefinedContributionPlanEmployersMatchingContributionVestingPeriod
Namespace Prefix: | aame_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | aame_RetirementBenefits401KPlanAbstract
Namespace Prefix: | aame_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage safe harbor non-elective contribution. + References No definition available. + Details
Name: | aame_SafeHarborNonElectiveContribution
Namespace Prefix: | aame_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The safe harbor non-elective contribution during the period. + References No definition available. + Details
Name: | aame_SafeHarborNonElectiveContributionExpense
Namespace Prefix: | aame_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration