Segment Reporting Disclosures (Summary of Additional Measures for Markel Ventures) (Details) - Markel Ventures [Member] - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Segment Reporting Information [Line Items] | ||||
| Depreciation | $ 31,909 | $ 29,641 | $ 64,144 | $ 59,371 |
| Capital expenditure | $ 32,222 | $ 41,406 | $ 60,177 | $ 103,915 |
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- Definition Capital expenditure No definition available.
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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. No definition available.
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- Details
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