v3.25.2
Fair Value Measurement and Disclosures - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Summary of Investment Holdings [Line Items]        
Net change in unrealized appreciation/(depreciation) from investments $ (1,578) $ 4,990 $ 4,751 $ 7,999
Level III [Member]        
Summary of Investment Holdings [Line Items]        
Net change in unrealized appreciation/(depreciation) from investments (7,521) 5,461 (5,425) 7,072
Apollo Infrastructure Company LLC Series One [Member]        
Summary of Investment Holdings [Line Items]        
Net change in unrealized appreciation/(depreciation) from investments (518) 1,276 1,281 1,946
Apollo Infrastructure Company LLC Series One [Member] | Level III [Member]        
Summary of Investment Holdings [Line Items]        
Net change in unrealized appreciation/(depreciation) from investments (1,657) 1,391 (1,066) 1,760
Apollo Infrastructure Company LLC Series Two [Member]        
Summary of Investment Holdings [Line Items]        
Net change in unrealized appreciation/(depreciation) from investments (1,060) 3,714 3,470 6,053
Apollo Infrastructure Company LLC Series Two [Member] | Level III [Member]        
Summary of Investment Holdings [Line Items]        
Net change in unrealized appreciation/(depreciation) from investments $ (5,864) $ 4,070 $ (4,359) $ 5,312