Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
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-Section S99
-Paragraph 1
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
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No definition available.

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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.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section S99
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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		6 Months Ended
	Jul. 30, 2026	Jul. 21, 2026	Sep. 30, 2024	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Subsequent Event [Line Items]
Distributions declared per share (in dollars per share)				$ 0.25	$ 0.32	$ 0.57	$ 0.64
Revolving Credit Facility \| NMFC Credit Facility \| Line of Credit
Subsequent Event [Line Items]
Maximum borrowing capacity			$ 638,500
Revolving Credit Facility \| NMFC Credit Facility \| Line of Credit \| Extending Lenders
Subsequent Event [Line Items]
Maximum borrowing capacity			$ 527,100	$ 527,100		$ 527,100
Basis spread on variable rate			1.90%
Revolving Credit Facility \| NMFC Credit Facility \| Line of Credit \| Non-Extending Lenders
Subsequent Event [Line Items]
Maximum borrowing capacity			$ 111,400
Basis spread on variable rate			2.10%
Subsequent Event
Subsequent Event [Line Items]
Distributions declared per share (in dollars per share)		$ 0.25
Subsequent Event \| Revolving Credit Facility \| NMFC Credit Facility \| Line of Credit
Subsequent Event [Line Items]
Basis spread on variable rate	2.00%
Subsequent Event \| Revolving Credit Facility \| NMFC Credit Facility \| Line of Credit \| Extending Lenders
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 487,100
Subsequent Event \| Revolving Credit Facility \| NMFC Credit Facility \| Line of Credit \| Non-Extending Lenders
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 50,000