Debt Instrument, Draw Period

No definition available.

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Namespace Prefix:	ortf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Maximum Borrowing Capacity, Including Accordion Feature

+ References

No definition available.

+ Details

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Namespace Prefix:	ortf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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.

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+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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- Details

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- Details

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Debt - SPV Asset Facilities (Details) - Line of Credit - USD ($)	May 21, 2026	Aug. 20, 2024	Dec. 22, 2022	Jul. 15, 2022	Nov. 16, 2021	Jun. 30, 2026	Dec. 31, 2025	Oct. 30, 2024	Nov. 08, 2022
SPV Asset Facility I
Debt Instrument [Line Items]
Aggregate Principal Committed			$ 700,000,000.0			$ 700,000,000	$ 700,000,000
Draw period			3 years
SPV Asset Facility I \| Secured Debt
Debt Instrument [Line Items]
Basis spread on variable rate			2.25%
SPV Asset Facility II
Debt Instrument [Line Items]
Aggregate Principal Committed					$ 400,000,000	400,000,000	400,000,000	$ 300,000,000.0
Basis spread on variable rate					2.00%
Fee on unused portion of credit facility					20.00%
SPV Asset Facility II \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate					65.00%
SPV Asset Facility II \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate					75.00%
SPV Asset Facility II \| Secured Debt \| Commitment Fee, First Twelve Months
Debt Instrument [Line Items]
Fee on unused portion of credit facility					0.50%
SPV Asset Facility III
Debt Instrument [Line Items]
Aggregate Principal Committed				$ 1,100,000,000		1,100,000,000	1,100,000,000
Line of credit facility, including the accordion feature						1,500,000,000
SPV Asset Facility III \| Secured Debt
Debt Instrument [Line Items]
Basis spread on variable rate				2.05%
SPV Asset Facility III \| Secured Debt \| Commitment Fee, First Twelve Months
Debt Instrument [Line Items]
Fee on unused portion of credit facility				0.25%
SPV Asset Facility III \| Revolving loan commitments
Debt Instrument [Line Items]
Fee on unused portion of credit facility				1.00%
SPV Asset Facility IV
Debt Instrument [Line Items]
Aggregate Principal Committed						500,000,000	$ 500,000,000		$ 500,000,000.0
SPV Asset Facility IV \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		2.00%
Fee on unused portion of credit facility		0.25%
SPV Asset Facility IV \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		2.35%
Fee on unused portion of credit facility		0.50%
SPV Asset Facility V
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 150,000,000.0					$ 150,000,000
Draw period	3 years
Line of credit facility, including the accordion feature	$ 250,000,000.0
SPV Asset Facility V \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	0.15%
SPV Asset Facility V \| Secured Debt
Debt Instrument [Line Items]
Basis spread on variable rate	2.10%
Fee on unused portion of credit facility	0.25%