Significant Accounting Policies (Details) |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| EBP 002 [Member] | ||
| Significant Accounting Policies [Line Items] | ||
| Percentage of Plan's total assets invested in common stock of TRV | 4.00% | 4.00% |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Percentage of investment in common stock of employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), to total plan assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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