Derivative Instruments - Summary of the Impact to the Condensed Consolidated Statements of Operations from Derivative Financial Instruments (Detail) - BXINFRA Aggregator (CYM) L.P. [Member] - USD ($) $ in Thousands |
5 Months Ended | 12 Months Ended |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2025 |
|
| Net Change in Unrealized Gain (Loss) | ||
| Derivative Instruments | $ 0 | $ (10,857) |
| Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, before Tax | |
| Foreign Currency Contracts [Member] | Derivative Realized Gain [Member] | ||
| Net Change in Unrealized Gain (Loss) | ||
| Derivative Instruments | 0 | $ (10,735) |
| Foreign Currency Contracts [Member] | Derivative Unrealized Gain (Loss) [Member] | ||
| Net Change in Unrealized Gain (Loss) | ||
| Derivative Instruments | $ 0 | $ (122) |