Fair Value Measurement and Disclosures - Schedule of the Valuation of the Company's Investments in the Fair Value Hierarchy Levels (Detail) - USD ($)
$ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
$ 940,619
|
|
$ 631,905
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
(1,835)
|
|
|
|
| Derivative Liability |
(1,835)
|
|
0
|
|
| Total |
1,357,057
|
|
953,447
|
|
| Partnership Investment Vehicle [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
684,811
|
[1] |
324,933
|
[2] |
| Cash and Cash Equivalents [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Cash and cash equivalents |
418,273
|
|
321,542
|
|
| Loan [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
255,808
|
|
302,892
|
[3] |
| Warrant [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
|
|
4,080
|
|
| Level I [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Total |
418,273
|
|
321,542
|
|
| Level I [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Cash and cash equivalents |
418,273
|
|
321,542
|
|
| Level II [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
15,031
|
|
15,150
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
(1,835)
|
|
|
|
| Derivative Liability |
(1,835)
|
|
|
|
| Total |
13,196
|
|
15,150
|
|
| Level II [Member] | Loan [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
15,031
|
|
15,150
|
[3] |
| Level III [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
548,124
|
|
415,085
|
|
| Total |
548,124
|
|
415,085
|
|
| Level III [Member] | Partnership Investment Vehicle [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
307,347
|
|
123,263
|
|
| Level III [Member] | Loan [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
240,777
|
|
287,742
|
[3] |
| Level III [Member] | Warrant [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
|
|
4,080
|
|
| Investments Measured at NAV [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
377,464
|
[4],[5],[6] |
201,670
|
[3],[7],[8],[9] |
| Total |
377,464
|
[4],[5],[6] |
201,670
|
[3],[7],[8],[9] |
| Investments Measured at NAV [Member] | Partnership Investment Vehicle [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
377,464
|
[4],[5],[6] |
201,670
|
[3],[7],[8],[9] |
| Apollo Infrastructure Company LLC Series One [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
279,314
|
|
166,652
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
(520)
|
|
|
|
| Derivative Liability |
(520)
|
|
0
|
|
| Total |
402,503
|
|
251,333
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Partnership Investment Vehicle [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
203,353
|
|
85,694
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Cash and cash equivalents |
123,709
|
|
84,681
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Loan [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
75,961
|
|
79,882
|
[3] |
| Apollo Infrastructure Company LLC Series One [Member] | Warrant [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
|
|
1,076
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Level I [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Total |
123,709
|
|
84,681
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Level I [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Cash and cash equivalents |
123,709
|
|
84,681
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Level II [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
4,463
|
|
3,995
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
(520)
|
|
|
|
| Derivative Liability |
(520)
|
|
|
|
| Total |
3,943
|
|
3,995
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Level II [Member] | Loan [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
4,463
|
|
3,995
|
[3] |
| Apollo Infrastructure Company LLC Series One [Member] | Level III [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
162,764
|
|
109,471
|
|
| Total |
162,764
|
|
109,471
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Level III [Member] | Partnership Investment Vehicle [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
91,266
|
|
32,508
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Level III [Member] | Loan [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
71,498
|
|
75,887
|
[3] |
| Apollo Infrastructure Company LLC Series One [Member] | Level III [Member] | Warrant [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
|
|
1,076
|
|
| Apollo Infrastructure Company LLC Series One [Member] | Investments Measured at NAV [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
112,087
|
[4],[5],[6] |
53,186
|
[3],[7],[8],[9] |
| Total |
112,087
|
[4],[5],[6] |
53,186
|
[3],[7],[8],[9] |
| Apollo Infrastructure Company LLC Series One [Member] | Investments Measured at NAV [Member] | Partnership Investment Vehicle [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
112,087
|
[4],[5],[6] |
53,186
|
[3],[7],[8],[9] |
| Apollo Infrastructure Company LLC Series Two [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
661,305
|
|
465,253
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
(1,315)
|
|
|
|
| Derivative Liability |
(1,315)
|
|
0
|
|
| Total |
954,554
|
|
702,114
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Partnership Investment Vehicle [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
481,458
|
|
239,239
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Cash and cash equivalents |
294,564
|
|
236,861
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Loan [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
179,847
|
|
223,010
|
[3] |
| Apollo Infrastructure Company LLC Series Two [Member] | Warrant [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
|
|
3,004
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Level I [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Total |
294,564
|
|
236,861
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Level I [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Cash and cash equivalents |
294,564
|
|
236,861
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Level II [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
10,568
|
|
11,155
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
(1,315)
|
|
|
|
| Derivative Liability |
(1,315)
|
|
|
|
| Total |
9,253
|
|
11,155
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Level II [Member] | Loan [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
10,568
|
|
11,155
|
[3] |
| Apollo Infrastructure Company LLC Series Two [Member] | Level III [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
385,360
|
|
305,614
|
|
| Total |
385,360
|
|
305,614
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Level III [Member] | Partnership Investment Vehicle [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
216,081
|
|
90,755
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Level III [Member] | Loan [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
169,279
|
|
211,855
|
[3] |
| Apollo Infrastructure Company LLC Series Two [Member] | Level III [Member] | Warrant [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
|
|
3,004
|
|
| Apollo Infrastructure Company LLC Series Two [Member] | Investments Measured at NAV [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
265,377
|
[4],[5],[6] |
148,484
|
[3],[7],[8],[9] |
| Total |
265,377
|
[4],[5],[6] |
148,484
|
[3],[7],[8],[9] |
| Apollo Infrastructure Company LLC Series Two [Member] | Investments Measured at NAV [Member] | Partnership Investment Vehicle [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Investments at fair value (cost at June 30, 2025 of $268,214; $629,400; $897,614; and at December 31, 2024 of $156,833; $436,817; $593,650; respectively) |
$ 265,377
|
[4],[5],[6] |
$ 148,484
|
[3],[7],[8],[9] |
|
|