v3.19.3

Basis and Summary of Significant Accounting Policies - Hurricane Impact (Details) - USD ($) $ in Millions | 6 Months Ended | 9 Months Ended
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Jun. 30, 2019 | Sep. 30, 2019
Accounting Policies [Abstract] |  |
Partial cash payment from insurer |  | $ 7.0
Insurance proceeds received, before tax | $ 4.5 |

X
- 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
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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=116634182&loc=SL114868664-224227 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration