v3.8.0.1

Basis and Summary of Significant Accounting Policies - Credit Quality Indicators (Details) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivable, threshold of past dues financing receivable that requires allowance | 24 months |
FICO Score, 600 or Less |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivable, percentage of loan portfolio per FICO Score | 1.70% | 1.80%
FICO Score, Between 600 and 700 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivable, percentage of loan portfolio per FICO Score | 76.90% | 78.10%
FICO Score, 700 or Greater |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivable, percentage of loan portfolio per FICO Score | 21.40% | 20.10%

X
- Definition Financing Receivable, Percentage of Loan Portfolio per FICO Score + References No definition available. + Details
Name: | aan_FinancingReceivablePercentageofLoanPortfolioperFICOScore
Namespace Prefix: | aan_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing Receivable, Threshold of Past Dues Financing Receivable That Requires Allowance + References No definition available. + Details
Name: | aan_FinancingReceivableThresholdofPastDuesFinancingReceivableThatRequiresAllowance
Namespace Prefix: | aan_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CreditScoreFicoAxis=aan_FICOScoreLessthan600Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditScoreFicoAxis=us-gaap_FicoScore600To699Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditScoreFicoAxis=us-gaap_FicoScoreGreaterThan700Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |