v3.26.1
Related Party Considerations - Additional information (Detail) - USD ($)
 3 Months Ended 6 Months Ended
Jul. 01, 2026
Apr. 01, 2025
Dec. 22, 2023
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
May 08, 2026
Mar. 26, 2026
Jan. 09, 2026
Jan. 02, 2026
Dec. 31, 2025
Apr. 12, 2023
Related Party Transaction [Line Items]                              
Receivable from investments sold       $ 34,339,000       $ 34,339,000           $ 0  
Management fee expense gross       2,826,000   $ 1,745,000   5,438,000 $ 3,142,000            
Management And Service Fees       1,488,000   1,343,000   1,920,000 2,251,000            
Performance Fee       3,439,000   1,294,000   5,453,000 2,257,000            
Investment Company, General Partner, Advisory Service Expense       337,000   299,000   745,000 703,000            
Investment company expense gross offset arrangement       0   0   0 436,000            
Investment company expense reimbursement       488,000   0   676,000 0            
Rebate Or Waiver Of Management And Service Fees       0   0   0 0            
Due to operating manager       7,511,000       7,511,000           8,187,000  
Due from Operating Manager       7,511,000       $ 7,511,000           $ 8,187,000  
Number of restricted stock granted               6,737              
Share based compensation, description               The fair value of these shares was determined using the most recent available NAV at issuance of the Restricted Stock and are subject to a one-year vesting period.              
Restricted stock amortization       153,000   156,000   $ 305,000 309,000            
Subsequent Event [Member]                              
Related Party Transaction [Line Items]                              
Related receivable reversed $ 20,733,000                            
Hotspur SPV LLC [Member]                              
Related Party Transaction [Line Items]                              
Aggregate amount                         $ 4,950,000    
Big Spring Transmission LLC [Member]                              
Related Party Transaction [Line Items]                              
Aggregate amount                         9,128,000    
Aypa Power 1 LLC [Member]                              
Related Party Transaction [Line Items]                              
Aggregate amount                         25,764,000    
Longroad High Street Holdings LLC                              
Related Party Transaction [Line Items]                              
Aggregate amount                         $ 32,483,000    
Cypress Creek Sparrow Borrower LLC [Member]                              
Related Party Transaction [Line Items]                              
Aggregate amount                       $ 15,259,000      
Valor [Member]                              
Related Party Transaction [Line Items]                              
Aggregate amount                     $ 9,281,000        
Rowan Green Data LLC [Member]                              
Related Party Transaction [Line Items]                              
Aggregate amount                   $ 14,875,000          
PERC Holdings 2 LLC [Member]                              
Related Party Transaction [Line Items]                              
Aggregate amount                   13,591,000          
Project Flash [Member]                              
Related Party Transaction [Line Items]                              
Aggregate amount                   $ 20,733,000          
Restricted Stock [Member]                              
Related Party Transaction [Line Items]                              
Number of restricted stock granted               6,737              
Restricted stock amortization       50,000   54,000   $ 100,000 104,000            
Unrecognized compensation cost               183,000 192,000            
Other Affiliates [Member]                              
Related Party Transaction [Line Items]                              
Management And Service Fees       1,338,000   402,000   3,518,000 891,000            
Payment for management fee       $ 807,000   $ 25,000   $ 1,998,000 256,000            
Capital Units Class S And I [Member]                              
Related Party Transaction [Line Items]                              
Performance Fees Rate               12.50%              
Management and service fees, base rate               1.25%              
Capital Units Class F S And F I [Member]                              
Related Party Transaction [Line Items]                              
Performance Fees Rate               9.00%              
Management and service fees, base rate               1.00%              
Capital Units Class AI [Member] | Until December 31 2026 [Member]                              
Related Party Transaction [Line Items]                              
Performance Fees Rate               7.50%              
Management and service fees, base rate               0.75%              
Capital Units Class AI [Member] | After December 31 2026 [Member]                              
Related Party Transaction [Line Items]                              
Performance Fees Rate               9.00%              
Management and service fees, base rate               1.00%              
Class A-II Shares [Member]                              
Related Party Transaction [Line Items]                              
Performance Fees Rate               5.00%              
Management and service fees, base rate               0.50%              
Additional subscriptions       3,646,451 3,801,616 6,534,598 5,123,404                
Class A-II Shares [Member] | Maximum [Member]                              
Related Party Transaction [Line Items]                              
Performance Fees Rate               5.00%              
Capital Units Class V [Member]                              
Related Party Transaction [Line Items]                              
Common Unit, Issued       80       80           80  
Additional subscriptions       0 0 0 0                
Affiliated [Member]                              
Related Party Transaction [Line Items]                              
Investment Company, General Partner, Advisory Service Expense       $ 90,000   $ 62,000   $ 232,000 62,000            
Apollo Infrastructure Company LLC Series One [Member]                              
Related Party Transaction [Line Items]                              
Receivable from investments sold       9,941,000       9,941,000           $ 0  
Management fee expense gross       952,000   563,000   1,842,000 973,000            
Management And Service Fees       539,000   452,000   724,000 713,000            
Performance Fee       1,141,000   418,000   1,818,000 707,000            
Investment Company, General Partner, Advisory Service Expense       99,000   86,000   220,000 195,000            
Investment company expense gross offset arrangement       0   0   0 117,000            
Investment company expense reimbursement       141,000   0   197,000 0            
Due to operating manager       2,174,000       2,174,000           2,434,000  
Due from Operating Manager       2,174,000       2,174,000           $ 2,434,000  
Restricted stock amortization       45,000   45,000   90,000 87,000            
Apollo Infrastructure Company LLC Series One [Member] | Restricted Stock [Member]                              
Related Party Transaction [Line Items]                              
Restricted stock amortization       15,000   15,000   29,000 29,000            
Unrecognized compensation cost               53,000 57,000            
Apollo Infrastructure Company LLC Series One [Member] | Other Affiliates [Member]                              
Related Party Transaction [Line Items]                              
Management And Service Fees       $ 413,000   $ 111,000   $ 1,118,000 260,000            
Apollo Infrastructure Company LLC Series One [Member] | Class A-II Shares [Member]                              
Related Party Transaction [Line Items]                              
Additional subscriptions       668,521 764,655 1,215,044 1,947,990                
Apollo Infrastructure Company LLC Series One [Member] | Class A-II Shares [Member] | Subsequent Event [Member]                              
Related Party Transaction [Line Items]                              
Additional subscriptions 267,550                            
Apollo Infrastructure Company LLC Series One [Member] | Capital Units Class V [Member]                              
Related Party Transaction [Line Items]                              
Common Unit, Issued       40       40           40  
Common Unit, Issuance Value                             $ 1,000
Additional subscriptions           0 0                
Apollo Infrastructure Company LLC Series One [Member] | Affiliated [Member]                              
Related Party Transaction [Line Items]                              
Investment Company, General Partner, Advisory Service Expense       $ 26,000   $ 18,000   $ 68,000 18,000            
Apollo Infrastructure Company LLC Series Two [Member]                              
Related Party Transaction [Line Items]                              
Receivable from investments sold       24,398,000       24,398,000           $ 0  
Management fee expense gross       1,874,000   1,182,000   3,596,000 2,169,000            
Management And Service Fees       949,000   891,000   1,196,000 1,538,000            
Performance Fee       2,298,000   876,000   3,635,000 1,550,000            
Investment Company, General Partner, Advisory Service Expense       238,000   213,000   525,000 508,000            
Investment company expense gross offset arrangement       0   0   0 319,000            
Investment company expense reimbursement       347,000   0   479,000 0            
Due to operating manager       5,337,000       5,337,000           5,753,000  
Due from Operating Manager       5,337,000       5,337,000           $ 5,753,000  
Restricted stock amortization       108,000   111,000   215,000 222,000            
Apollo Infrastructure Company LLC Series Two [Member] | Restricted Stock [Member]                              
Related Party Transaction [Line Items]                              
Restricted stock amortization       35,000   39,000   71,000 75,000            
Unrecognized compensation cost               130,000 135,000            
Apollo Infrastructure Company LLC Series Two [Member] | Other Affiliates [Member]                              
Related Party Transaction [Line Items]                              
Management And Service Fees       $ 925,000   $ 291,000   $ 2,400,000 631,000            
Apollo Infrastructure Company LLC Series Two [Member] | Class A-II Shares [Member]                              
Related Party Transaction [Line Items]                              
Additional subscriptions       2,977,930 3,036,961 5,319,554 3,175,414                
Apollo Infrastructure Company LLC Series Two [Member] | Class A-II Shares [Member] | Subsequent Event [Member]                              
Related Party Transaction [Line Items]                              
Additional subscriptions 1,082,698                            
Apollo Infrastructure Company LLC Series Two [Member] | Capital Units Class V [Member]                              
Related Party Transaction [Line Items]                              
Common Unit, Issued       40       40           40  
Common Unit, Issuance Value                             $ 1,000
Additional subscriptions             0                
Apollo Infrastructure Company LLC Series Two [Member] | Affiliated [Member]                              
Related Party Transaction [Line Items]                              
Investment Company, General Partner, Advisory Service Expense       $ 64,000   $ 44,000   $ 164,000 $ 44,000            
Operating Agreement [Member]                              
Related Party Transaction [Line Items]                              
Specified expenses as a percentage of net assets maximum               0.60%              
Specified expenses and reimbursement as a percentage of net assets maximum for payment to manager               0.60%              
Apollo Principal Holdings Six L P [Member] | Apollo Infrastructure Company LLC Series One [Member] | Class A-II Shares [Member]                              
Related Party Transaction [Line Items]                              
Additional subscriptions   1,849,495                          
Apollo Principal Holdings Six L P [Member] | Apollo Infrastructure Company LLC Series One [Member] | Capital Units Class V [Member]                              
Related Party Transaction [Line Items]                              
Common Unit, Issued                             40
Apollo Principal Holdings Six L P [Member] | Apollo Infrastructure Company LLC Series Two [Member] | Class A-II Shares [Member]                              
Related Party Transaction [Line Items]                              
Additional subscriptions   50,000                          
Apollo Principal Holdings Six L P [Member] | Apollo Infrastructure Company LLC Series Two [Member] | Capital Units Class V [Member]                              
Related Party Transaction [Line Items]                              
Common Unit, Issued                             40
Dealer Manager Agreement [Member]                              
Related Party Transaction [Line Items]                              
Percentage of selling commissions     3.00%                        
Percentage of dealer manager fees     0.50%                        
Maximun limit of selling commissions, percent     3.50%                        
Percentage of annual distribution fee and shareholder servicing fee     0.85%                        
Management fee, description     The Dealer Manager is entitled to receive selling commissions of up to 3.0%, and dealer manager fees of up to 0.5%, of the transaction price of each S Share and F-S Share. Any participating broker-dealers are compensated from such amounts by reallowance from the Dealer Manager, provided that the sum of such reallowed amounts and the selling commissions do not exceed 3.5% of the transaction price. The Dealer Manager will receive a combined annual distribution fee and shareholder servicing fee of 0.85% per annum of the aggregate NAV of the Company’s outstanding S Shares and F-S Shares. There will not be a combined annual distribution fee and shareholder servicing fee, upfront selling commission or dealer manager fee with respect to the A-II Shares, I Shares or F-I Shares. The Dealer Manager anticipates that all or a portion of selling commissions and dealer manager fees will be reallowed to participating broker-dealers.