XML 83 R73.htm IDEA: XBRL DOCUMENT
v3.24.3

COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions | Sep. 30, 2024 USD ($)
--- | ---
Other Commitments [Line Items] |
Letters of credit outstanding, amount | $ 48
Letters of credit outstanding, amount, year one | 25
Letters of credit outstanding, amount, year two | 22
Letters of credit outstanding, amount, year three | $ 1
Remaining lease term (in years) | 3 years
Minimum |
Other Commitments [Line Items] |
Remaining lease term (in years) | 1 year
Maximum |
Other Commitments [Line Items] |
Remaining lease term (in years) | 4 years
Letter of Credit |
Other Commitments [Line Items] |
Total commitments | $ 491

X
- Definition Letters Of Credit Outstanding, Amount, Year One + References No definition available. + Details
Name: | arcc_LettersOfCreditOutstandingAmountYearOne
Namespace Prefix: | arcc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Letters Of Credit Outstanding, Amount, Year Three + References No definition available. + Details
Name: | arcc_LettersOfCreditOutstandingAmountYearThree
Namespace Prefix: | arcc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Letters Of Credit Outstanding, Amount, Year Two + References No definition available. + Details
Name: | arcc_LettersOfCreditOutstandingAmountYearTwo
Namespace Prefix: | arcc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of financial support committed by investment company to investee that is contractually required. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480990/946-20-50-15 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480990/946-20-50-15 + Details
Name: | us-gaap_InvestmentCompanyFinancialSupportToInvesteeContractuallyRequiredAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
Name: | us-gaap_LesseeOperatingLeaseRemainingLeaseTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialSupportToNonconsolidatedLegalEntityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |