XML 59 R47.htm IDEA: XBRL DOCUMENT
v3.23.1

INVESTMENTS - Ivy Hill Asset Management, L.P. (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 USD ($) borrower | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($)
Schedule of Investments [Line Items] |  |  |
Amortized cost of investments | $ 21,429.6 |  | $ 22,043.0
Purchases of investments | 1,121.0 | $ 2,077.0 |
Ivy Hill Asset Management, L.P. |  |  |
Schedule of Investments [Line Items] |  |  |
Amortized cost of investments | 2,139.0 |  | 2,048.0
Purchases of investments | 0.0 | 27.0 |
Realized loss on sale of investments | 10.0 | 6.0 |
Ivy Hill Asset Management, L.P. |  |  |
Schedule of Investments [Line Items] |  |  |
Assets under management | $ 13,500.0 |  |
Number of borrowers | borrower | 22 |  |
Amortized cost of investments | $ 2,444.0 |  | $ 2,370.0
Management and incentive fee income | 14.0 | 10.0 |
Other investment-related income | 61.0 | 34.0 |
Purchases of investments | $ 652.0 | $ 1,176.0 |

X
- Definition Interest And Dividend Income, Securities, Including Realized Gain (Loss) On Investments, Operating + References No definition available. + Details
Name: | arcc_InterestAndDividendIncomeSecuritiesIncludingRealizedGainLossOnInvestmentsOperating
Namespace Prefix: | arcc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Investment Company, Number of Borrowers + References No definition available. + Details
Name: | arcc_InvestmentCompanyNumberOfBorrowers
Namespace Prefix: | arcc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap-supplement_FeeIncome
Namespace Prefix: | us-gaap-supplement_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap-supplement_PaymentsForPurchaseOfInvestmentOperatingActivity
Namespace Prefix: | us-gaap-supplement_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The carrying amount of assets an investment adviser manages on behalf of investors. + References No definition available. + Details
Name: | us-gaap_AssetsUnderManagementCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnSaleOfInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cost of the investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 + Details
Name: | us-gaap_InvestmentOwnedAtCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_ScheduleOfInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=arcc_IvyHillAssetManagementLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap-supplement_InvestmentCompanyNonconsolidatedSubsidiaryAxis=arcc_IvyHillAssetManagementLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |