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Investments, Unrealized Gains (Losses) Related to Equity Securities (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Investments [Abstract] |  |
Net losses recognized during the period on equity securities | $ (4,419) | $ 0
Less: Net gains (losses) recognized during the period on equity securities sold during the period | 0 | 0
Unrealized losses recognized during the reporting period on equity securities still held at the reporting date | $ (4,419) | $ 0

X
- Definition Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
Name: | aame_EquitySecuritiesFvNiRealizedGainLoss
Namespace Prefix: | aame_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
Name: | aame_EquitySecuritiesFvNiUnrealizedGainLoss
Namespace Prefix: | aame_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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