v3.10.0.1

Basis and Summary of Significant Accounting Policies - Hurricane Impact (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2018 USD ($)
Accounting Policies [Abstract] |
Partial cash payment from insurer | $ 0.4
Insurance settlements receivable | $ 3.2

X
- Definition Unusual or Infrequent Item, or Both, Partial Insurance Proceeds, Cash + References No definition available. + Details
Name: | aan_UnusualorInfrequentItemorBothPartialInsuranceProceedsCash
Namespace Prefix: | aan_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. + References No definition available. + Details
Name: | us-gaap_InsuranceSettlementsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant