v3.26.1
Fair Value Measurements - Summary of Investments and Cash Equivalents Within the Fair Value Hierarchy (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents $ 655,446 $ 452,442
Total Cash Equivalents 70,397 138,828
Total Investments at fair value after Cash Equivalents 725,843 591,270
First Lien Debt Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 441,766 309,054
Second Lien Debt Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 81,330 88,220
Unsecured and Subordinated debt investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 75,549 0
Preferred Equity Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 56,801 55,168
Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Total Cash Equivalents 70,397 138,828
Total Investments at fair value after Cash Equivalents 70,397 138,828
Level 1 [Member] | First Lien Debt Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Level 1 [Member] | Second Lien Debt Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Level 1 [Member] | Unsecured and Subordinated debt investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Level 1 [Member] | Preferred Equity Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Level 2 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Total Cash Equivalents 0 0
Total Investments at fair value after Cash Equivalents 0 0
Level 2 [Member] | First Lien Debt Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Level 2 [Member] | Second Lien Debt Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Level 2 [Member] | Unsecured and Subordinated debt investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Level 2 [Member] | Preferred Equity Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 0 0
Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 655,446 452,442
Investments Fair Value 655,446 452,442
Total Cash Equivalents 0 0
Total Investments at fair value after Cash Equivalents 655,446 452,442
Level 3 [Member] | First Lien Debt Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 441,766 309,054
Level 3 [Member] | Second Lien Debt Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 81,330 88,220
Level 3 [Member] | Unsecured and Subordinated debt investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 75,549 0
Level 3 [Member] | Preferred Equity Investments [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments at fair value before Cash Equivalents 56,801 55,168
Money Market Fund    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investments Fair Value 70,397 138,828
Money Market Fund | Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investments Fair Value 70,397 138,828
Money Market Fund | Level 2 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investments Fair Value 0 0
Money Market Fund | Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investments Fair Value $ 0 $ 0