v3.19.3

Basis and Summary of Significant Accounting Policies - Store Count by Ownership Type (Details) - Operating Segments - store | Sep. 30, 2019 | Sep. 30, 2018
--- | --- | ---
Significant Accounting Policies [Line Items] |  |
Number of retail stores | 1,504 | 1,699
Company-operated Aaron's Branded Stores |  |
Significant Accounting Policies [Line Items] |  |
Number of retail stores | 1,163 | 1,267
Franchised Stores |  |
Significant Accounting Policies [Line Items] |  |
Number of retail stores | 341 | 432

X
- Definition Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | aan_SignificantAccountingPoliciesLineItems
Namespace Prefix: | aan_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of stores. + References No definition available. + Details
Name: | us-gaap_NumberOfStores
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FranchisorDisclosureAxis=us-gaap_EntityOperatedUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FranchisorDisclosureAxis=us-gaap_FranchisedUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |