Nature of Business and Financial Statement Presentation - Non-cash Investing and Financing Activities (Detail) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Accounts payable related to construction in progress | $ 0.0 | $ 0.9 |