v3.19.1

Basis and Summary of Significant Accounting Policies - Hurricane Impact (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2019 USD ($)
Accounting Policies [Abstract] |
Partial cash payment from insurer | $ 2.7
Insurance proceeds received, before tax | 0.9
Insurance settlements receivable | $ 0.7

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

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

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- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- 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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant