Cash funding used to purchase Markel CATCo Funds' interests in Markel CATCo Re

No definition available.

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- Definition

This amount is the Company's preference shares investment in Markel CATCo Re.

+ References

No definition available.

+ Details

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- Definition

Percentage of Markel CATCo Re net equity held by the Company

+ References

No definition available.

+ Details

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- Definition

Redemption of Markel CATCo Re noncontrolling interests

+ References

No definition available.

+ Details

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- Definition

Capital returned from Markel CATCo Re, related to original $45.1 million investment

+ References

No definition available.

+ Details

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- Definition

Tail risk cover provided by Markel to Markel CATCO Re in exchange for the Markel CATCo Funds' interests in Markel CATCo Re in proposed transaction

+ References

No definition available.

+ Details

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- Definition

Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred in prior reporting periods and related claims settlement costs.

+ References

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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.

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Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Variable Interest Entity [Line Items]
Cash funding used to purchase Markel CATCo Funds' interests in Markel CATCo Re	$ 45,100
Returned capital from Markel CATCo Re	$ 24,900
Investment in Markel CATCo Re		$ 20,100		$ 20,100		$ 20,100
Percentage of Markel CATCo Re net equity held by the Company		16.00%		16.00%		23.00%
Favorable development on prior years' loss reserves				$ 221,298	$ 139,208
Redemption of Markel CATCo Re noncontrolling interests				0	(88,997)
Tail risk cover in Markel CATCo transaction		$ 95,000		95,000
Noncontrolling Interests [Member]
Variable Interest Entity [Line Items]
Redemption of Markel CATCo Re noncontrolling interests					(62,646)
Markel CATCo Re
Variable Interest Entity [Line Items]
Favorable development on prior years' loss reserves		$ (8,400)	$ (8,700)	$ (24,100)	$ (53,500)