Annual report pursuant to Section 13 and 15(d)

Debt - Summary of SBIC Investments (Details)

v3.25.0.1
Debt - Summary of SBIC Investments (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
USD ($)
firm
Dec. 31, 2023
USD ($)
firm
Debt Instrument [Line Items]    
Fair value of investments (in millions) $ 3,659,978 $ 3,248,046
HC IV    
Debt Instrument [Line Items]    
Number of investments held | firm 33 25
Fair value of investments (in millions) $ 377,700 $ 331,500
Percentage of fair value of investments based on the Company's total investment portfolio 10.30% 10.20%
Tangible assets (in millions) $ 382,900 $ 341,800
Percentage of tangible assets based on the Company's total assets 10.00% 10.00%
SBIC V    
Debt Instrument [Line Items]    
Number of investments held | firm 11 0
Fair value of investments (in millions) $ 155,600 $ 0
Percentage of fair value of investments based on the Company's total investment portfolio 4.30% 0.00%
Tangible assets (in millions) $ 157,800 $ 0
Percentage of tangible assets based on the Company's total assets 4.10% 0.00%