XML 48 R37.htm IDEA: XBRL DOCUMENT
v3.25.3

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) | 9 Months Ended
--- | ---
Sep. 30, 2025
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |
Incentive income compensation vesting period (in years) | 5 years
Closed-end |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |
Percentage of fund profits | 20.00%
Percentage of preferred return on funds | 8.00%
Evergreen |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |
Percentage of fund profits | 20.00%
Minimum |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |
Withdrawal period (in years) | 1 month
Maximum |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |
Withdrawal period (in years) | 3 years

X
- Definition Incentive Income Compensation Expense, Vesting Period + References No definition available. + Details
Name: | oak_IncentiveIncomeCompensationExpenseVestingPeriod
Namespace Prefix: | oak_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Limited Partnership, Withdrawal Period + References No definition available. + Details
Name: | oak_LimitedPartnershipWithdrawalPeriod
Namespace Prefix: | oak_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue From Contract With Customer, Percentage Of Fund Profits + References No definition available. + Details
Name: | oak_RevenueFromContractWithCustomerPercentageOfFundProfits
Namespace Prefix: | oak_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue From Contract With Customer, Preferred Return On Funds + References No definition available. + Details
Name: | oak_RevenueFromContractWithCustomerPreferredReturnOnFunds
Namespace Prefix: | oak_
Data Type: | dtr-types:percentItemType
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_SegmentReportingRevenueReconcilingItemLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=oak_ClosedendIncentiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=oak_EvergreenIncentiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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: |