v3.10.0.1

Property, Plant and Equipment - Summary of Property, Plant and Equipment (Footnote) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
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Property, Plant and Equipment [Abstract] |  |
Internal-use software development cost, accumulated amortization | $ 56.9 | $ 42.6

X
- Definition Capitalized Internal Use Software Accumulated Amortization + References No definition available. + Details
Name: | aan_CapitalizedInternalUseSoftwareAccumulatedAmortization
Namespace Prefix: | aan_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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