Quarterly report pursuant to Section 13 or 15(d)

Investments - Schedule of Investment Interest Income and Fee Income (Details)

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Investments - Schedule of Investment Interest Income and Fee Income (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Schedule Of Investments [Line Items]    
Total interest and dividend income $ 115,779 $ 99,897
Total fee income 5,774 5,193
Contractual interest income    
Schedule Of Investments [Line Items]    
Total interest and dividend income 90,714 82,791
Exit fee interest income    
Schedule Of Investments [Line Items]    
Total interest and dividend income 11,880 9,382
PIK interest income    
Schedule Of Investments [Line Items]    
Total interest and dividend income 9,897 5,528
Dividend income    
Schedule Of Investments [Line Items]    
Total interest and dividend income 1,600 0
Other Interest Income    
Schedule Of Investments [Line Items]    
Total interest and dividend income 1,688 2,196
Recurring fee income    
Schedule Of Investments [Line Items]    
Total fee income 2,455 2,040
Fee income - expired commitments    
Schedule Of Investments [Line Items]    
Total fee income 647 243
Accelerated fee income - early repayments    
Schedule Of Investments [Line Items]    
Total fee income $ 2,672 $ 2,910