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Subsequent Events - Additional Information (Details) - USD ($)
$ in Millions
Apr. 18, 2023
Apr. 13, 2023
Jan. 31, 2021
Subsequent Event [Line Items]      
Debt securitization     $ 300.7
Subsequent Event | Dominion and Fox News Lawsuit Settlement      
Subsequent Event [Line Items]      
Lawsuit settlement proceeds $ 787.5    
Distribution of settlement proceeds $ 4.0    
PennantPark CLO VI, LLC | Subsequent Event      
Subsequent Event [Line Items]      
Debt securitization closed in form of collateralized loan obligation   $ 297.8  
Debt securitization retained   $ 51.8  
Maturity   Apr. 30, 2035