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Agreements - Management Fees and Incentive Fees (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Management fee	$ 11,577	$ 11,770	$ 23,215	$ 23,323
Less: management fee waiver	(1,096)	(1,142)	(2,159)	(2,234)
Total management fee	10,481	10,628	21,056	21,089
Incentive fee	9,982	7,926	19,579	15,403
Incentive fee payable	9,982		9,982		$ 6,296
Incentive fee, excluding accrued capital gains incentive fees
Related Party Transaction [Line Items]
Incentive fee	9,982	7,926	19,579	15,403
Accrued capital gains incentive fees
Related Party Transaction [Line Items]
Incentive fee	0	0	0	0
Incentive fee payable	$ 0	$ 0	$ 0	$ 0

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- Definition

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+ References

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- Definition

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- Definition

Amount of expense for incentive fee based on performance under arrangement to manage operations, including, but not limited to, investment.

+ References

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(2)(b))
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- Definition

Amount of fee payable for management of operations based on performance under arrangement, including, but not limited to, investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
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-Name Accounting Standards Codification
-Section S99
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-Publisher FASB
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- Definition

Amount of expense for investment management fee, including, but not limited to, expense in connection with research, selection, supervision, and custody of investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
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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.

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