Agreements and Related Party Transactions - Summary of Investments in Controlled Affiliates (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investments In And Advances To Affiliates [Line Items]
Net Realized Gains/ (Losses)	$ (5,482)	$ (16,849)	$ 35,651
Controlled Affiliated
Investments In And Advances To Affiliates [Line Items]
Fair Value, Beginning balance	52,768	38,735
Gross Additions	1,999	13,431
Gross Reductions	(38,492)
Net Realized Gains/ (Losses)	(3,301)
Change in Unrealized Gains/ (Losses)	(1,600)	602
Fair Value, Ending balance	11,375	52,768	38,735
Dividend, Interest, PIK and Other Income	3,835	3,202
Controlled Affiliated \| CBDC Senior Loan Fund LLC
Investments In And Advances To Affiliates [Line Items]
Fair Value, Beginning balance	39,360	38,735
Gross Reductions	(36,699)
Net Realized Gains/ (Losses)	(3,301)
Change in Unrealized Gains/ (Losses)	640	625
Fair Value, Ending balance		39,360	$ 38,735
Dividend, Interest, PIK and Other Income	2,358	3,200
Controlled Affiliated \| Envocore LLC
Investments In And Advances To Affiliates [Line Items]
Fair Value, Beginning balance	13,408
Gross Additions	1,999	13,431
Gross Reductions	(1,793)
Change in Unrealized Gains/ (Losses)	(2,239)	(23)
Fair Value, Ending balance	11,375	13,408
Dividend, Interest, PIK and Other Income	$ 1,477	$ 2

Value of the investment at close of period. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14(3))
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