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Reinsurance and Policy Provisions (Intercompany Reinsurance Agreements) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
AEL Re Vermont |  |
Ceded Credit Risk [Line Items] |  |
Risk charges | $ 11.7 | $ 2.8

X
- Definition Item represents a risk charge percentage that is applied to the oustanding loss carry forward (LCF) to determine the amount due at the end of each accounting period (quarter). + References No definition available. + Details
Name: | ael_ReinsuranceRiskCharge
Namespace Prefix: | ael_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_CededCreditRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CededCreditRiskAxis=ael_ReinsuranceAELReVermontMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |