Quarterly report [Sections 13 or 15(d)]

Debt - Schedule of SBIC Investments (Details)

v3.26.1
Debt - Schedule of SBIC Investments (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
firm
Dec. 31, 2025
USD ($)
firm
Schedule Of Investments [Line Items]    
Fair value of investments (in millions) $ 4,721,987 $ 4,466,647
HC IV    
Schedule Of Investments [Line Items]    
Number of investments held | firm 39 39
Fair value of investments (in millions) $ 386,700 $ 404,800
Percentage of fair value of investments based on the Company's total investment portfolio 8.20% 9.10%
Tangible assets (in millions) $ 396,200 $ 421,200
Percentage of tangible assets based on the Company's total assets 8.20% 9.20%
SBIC V    
Schedule Of Investments [Line Items]    
Number of investments held | firm 31 28
Fair value of investments (in millions) $ 281,800 $ 277,600
Percentage of fair value of investments based on the Company's total investment portfolio 6.00% 6.20%
Tangible assets (in millions) $ 285,200 $ 283,100
Percentage of tangible assets based on the Company's total assets 5.90% 6.20%