Segment Information - Additional Information (Details) |
6 Months Ended | 12 Months Ended |
|---|---|---|
|
Jun. 30, 2026
Segment
Products
|
Dec. 31, 2025
Segment
|
|
| Segment Reporting [Abstract] | ||
| Number of operating segment | Segment | 2 | 1 |
| Number of reportable segment | Segment | 2 | 1 |
| Combinations of engine brands, models and ratings | Products | 500 | |
| Offers number of different transmission models | Products | 200 | |
| Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | Chair, President and Chief Executive Officer [Member] | |
| Segment Reporting, Measurement Disclosure | The Company’s chief operating decision maker (“CODM”) is its Chair, President and Chief Executive Officer. The CODM evaluates the Company’s segment operating performance and makes decisions regarding the allocation of resources based on Segment Operating Profit (Loss).The CODM assesses segment performance utilizing Segment Operating Profit (Loss) primarily through comparisons of budgeted results to actual results and period‑over‑period variances. Certain variances identified through this analysis are evaluated to assist the CODM in assessing segment operating performance and making resource allocation decisions. The significant expenses that are regularly provided to the CODM and included in Segment Operating Profit (Loss) are cost of sales, selling, general and administrative expenses, and engineering — research and development expenses. | |
| Segment Reporting, Expense Information Used by CODM, Description | cost of sales, selling, general and administrative expenses, and engineering — research and development expenses. |