Employee benefits - Summary of fair value of plan assets (Detail) - Plan assets [member] - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Debt instruments categorized by issuers' credit rating: | ||
| US government bonds | $ 1,865 | $ 0 |
| Cash and cash equivalents | 1,428 | 4,578 |
| Total | $ 3,293 | $ 4,578 |
| X | ||||||||||
- Definition The amount cash and cash equivalents contribute to the fair value of defined benefit plan assets. [Refer: Cash and cash equivalents; Plan assets, at fair value; Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The amount instruments representing debt (rather than equity) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Debt instruments categorized by issuers' credit rating No definition available.
|
| X | ||||||||||
- Details
|