Agreements and Transactions with Related Parties - Narratives (Details) $ in Millions	9 Months Ended
Sep. 30, 2024 USD ($) investment	Nov. 01, 2023 USD ($)
Related Party Transaction
Jointly owned investments	7
Jointly owned investment, accounted for under the equity method investments	3
Other Entity
Related Party Transaction
Jointly owned investment, accounted for under the equity method investments	4
CESH \| Gross Assets Fair Value \| Affiliated Entity
Related Party Transaction
Percentage of asset management fees earned (as a percent)	1.00%
NLOP \| Affiliated Entity
Related Party Transaction
Management fee payable \| $		$ 7.5
Administrative fee income \| $	$ 4.0

Amount of fee income including, but not limited to, managerial assistance, servicing of investment, and origination and commitment fees.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(1)(c))
-Publisher FASB
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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 220
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

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- Definition

Annual Management Fee

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The percentage fee paid to the company by its affiliates for managing the company's assets based on the average market value or average equity value, as applicable, depending on the type of investments.

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