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Reinsurance (Tables) | 9 Months Ended
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Sep. 30, 2020
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract] |
Schedule of Effect of Reinsurance and Retrocessional Activity on Premiums Written and Earned and on Net Claims and Claim Expenses Incurred | The following table sets forth the effect of reinsurance and retrocessional activity on premiums written and earned and on net claims and claim expenses incurred:
|  | Three months ended |  | Nine months ended |
|  | September 30, 2020 |  | September 30, 2019 |  | September 30, 2020 |  | September 30, 2019 |
| Premiums written |  |  |  |  |  |  |  |
| Direct | $ | 138,208 |  |  | $ | 108,478 |  |  | $ | 463,462 |  |  | $ | 318,984 |  |
| Assumed | 1,004,850 |  |  | 752,590 |  |  | 4,407,189 |  |  | 3,583,287 |  |
| Ceded | (243,647) |  |  | (156,938) |  |  | (1,520,629) |  |  | (1,246,145) |  |
| Net premiums written | $ | 899,411 |  |  | $ | 704,130 |  |  | $ | 3,350,022 |  |  | $ | 2,656,126 |  |
| Premiums earned |  |  |  |  |  |  |  |
| Direct | $ | 128,621 |  |  | $ | 103,446 |  |  | $ | 401,177 |  |  | $ | 283,898 |  |
| Assumed | 1,301,871 |  |  | 1,146,831 |  |  | 3,732,961 |  |  | 3,114,408 |  |
| Ceded | (430,309) |  |  | (343,529) |  |  | (1,210,761) |  |  | (1,030,028) |  |
| Net premiums earned | $ | 1,000,183 |  |  | $ | 906,748 |  |  | $ | 2,923,377 |  |  | $ | 2,368,278 |  |
| Claims and claim expenses |  |  |  |  |  |  |  |
| Gross claims and claim expenses incurred | $ | 1,192,132 |  |  | $ | 714,714 |  |  | $ | 2,587,073 |  |  | $ | 1,804,889 |  |
| Claims and claim expenses recovered | (250,102) |  |  | (60,194) |  |  | (563,817) |  |  | (469,961) |  |
| Net claims and claim expenses incurred | $ | 942,030 |  |  | $ | 654,520 |  |  | $ | 2,023,256 |  |  | $ | 1,334,928 |  |

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- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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