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Products, Services and Other Revenues | 12 Months Ended
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Dec. 31, 2024
Revenue from Contract with Customer [Abstract] |
Products, Services and Other Revenues | 10. Products, Services and Other Revenues The following table presents revenues from contracts with customers by type, all of which are included in products revenues and services and other revenues in the consolidated statements of income (loss) and comprehensive income (loss), along with a reconciliation to total products revenues and services and other revenues.
| Years Ended December 31,
| 2024 |  | 2023 |  | 2022
(dollars in thousands) | Markel Ventures |  | Other |  | Total |  | Markel Ventures |  | Other |  | Total |  | Markel Ventures |  | Other |  | Total
Products | $ | 2,607,581 |  |  | $ | — |  |  | $ | 2,607,581 |  |  | $ | 2,487,054 |  |  | $ | — |  |  | $ | 2,487,054 |  |  | $ | 2,379,399 |  |  | $ | — |  |  | $ | 2,379,399 |
Services | 2,315,822 |  |  | 10,193 |  |  | 2,326,015 |  |  | 2,262,861 |  |  | 10,341 |  |  | 2,273,202 |  |  | 2,184,196 |  |  | 43,875 |  |  | 2,228,071 |
Management fees | — |  |  | 97,226 |  |  | 97,226 |  |  | — |  |  | 99,509 |  |  | 99,509 |  |  | — |  |  | 79,209 |  |  | 79,209 |
Total revenues from contracts with customers | 4,923,403 |  |  | 107,419 |  |  | 5,030,822 |  |  | 4,749,915 |  |  | 109,850 |  |  | 4,859,765 |  |  | 4,563,595 |  |  | 123,084 |  |  | 4,686,679 |
Leasing revenues | 176,293 |  |  | — |  |  | 176,293 |  |  | 188,904 |  |  | — |  |  | 188,904 |  |  | 157,552 |  |  | — |  |  | 157,552 |
Fronting fees | — |  |  | 187,480 |  |  | 187,480 |  |  | — |  |  | 154,838 |  |  | 154,838 |  |  | — |  |  | 147,612 |  |  | 147,612 |
Equity method and other investments income (loss) | 6,577 |  |  | 52,253 |  |  | 58,830 |  |  | (1,744) |  |  | (11,854) |  |  | (13,598) |  |  | 2,541 |  |  | (17,661) |  |  | (15,120) |
Disposition gains | — |  |  | — |  |  | — |  |  | — |  |  | 16,923 |  |  | 16,923 |  |  | — |  |  | 225,828 |  |  | 225,828 |
Other | 6,805 |  |  | 406 |  |  | 7,211 |  |  | 42,693 |  |  | 40 |  |  | 42,733 |  |  | 32,930 |  |  | 1,040 |  |  | 33,970 |
Total | $ | 5,113,078 |  |  | $ | 347,558 |  |  | $ | 5,460,636 |  |  | $ | 4,979,768 |  |  | $ | 269,797 |  |  | $ | 5,249,565 |  |  | $ | 4,756,618 |  |  | $ | 479,903 |  |  | $ | 5,236,521 |
Receivables from contracts with customers were $593.8 million and $616.4 million as of December 31, 2024 and 2023, respectively.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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