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Schedule III. Supplementary Insurance Information | 12 Months Ended
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Dec. 31, 2020
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract] |
Supplementary Insurance Information | SCHEDULE III RENAISSANCERE HOLDINGS LTD. AND SUBSIDIARIES SUPPLEMENTARY INSURANCE INFORMATION (THOUSANDS OF UNITED STATES DOLLARS)
| December 31, 2020 |  | Year ended December 31, 2020
| Deferred Policy Acquisition Costs |  | Future Policy Benefits, Losses, Claims and Loss Expenses |  | Unearned Premiums |  | Premium Revenue |  | Net Investment Income |  | Benefits, Claims, Losses and Settlement Expenses |  | Amortization of Deferred Policy Acquisition Costs |  | Other Operating Expenses |  | Net Written Premiums
Property | $ | 118,327 |  |  | $ | 4,371,745 |  |  | $ | 659,236 |  |  | $ | 1,936,215 |  |  | $ | — |  |  | $ | 1,435,735 |  |  | $ | 353,700 |  |  | $ | 135,547 |  |  | $ | 2,037,200 |
Casualty and Specialty | 515,194 |  |  | 6,008,685 |  |  | 2,104,363 |  |  | 2,016,247 |  |  | — |  |  | 1,488,662 |  |  | 543,977 |  |  | 71,140 |  |  | 2,059,133 |
Other | — |  |  | 708 |  |  | — |  |  | — |  |  | 354,038 |  |  | 212 |  |  | — |  |  | — |  |  | — |
Total | $ | 633,521 |  |  | $ | 10,381,138 |  |  | $ | 2,763,599 |  |  | $ | 3,952,462 |  |  | $ | 354,038 |  |  | $ | 2,924,609 |  |  | $ | 897,677 |  |  | $ | 206,687 |  |  | $ | 4,096,333 |
| December 31, 2019 |  | Year ended December 31, 2019
| Deferred Policy Acquisition Costs |  | Future Policy Benefits, Losses, Claims and Loss Expenses |  | Unearned Premiums |  | Premium Revenue |  | Net Investment Income |  | Benefits, Claims, Losses and Settlement Expenses |  | Amortization of Deferred Policy Acquisition Costs |  | Other Operating Expenses |  | Net Written Premiums
Property | $ | 79,795 |  |  | $ | 4,073,850 |  |  | $ | 539,183 |  |  | $ | 1,627,494 |  |  | $ | — |  |  | $ | 965,424 |  |  | $ | 313,761 |  |  | $ | 139,015 |  |  | $ | 1,654,259 |
Casualty and Specialty | 584,196 |  |  | 5,310,059 |  |  | 1,991,792 |  |  | 1,710,909 |  |  | — |  |  | 1,131,637 |  |  | 448,678 |  |  | 84,546 |  |  | 1,727,234 |
Other | — |  |  | 440 |  |  | — |  |  | — |  |  | 424,207 |  |  | (40) |  |  | (207) |  |  | (828) |  |  | — |
Total | $ | 663,991 |  |  | $ | 9,384,349 |  |  | $ | 2,530,975 |  |  | $ | 3,338,403 |  |  | $ | 424,207 |  |  | $ | 2,097,021 |  |  | $ | 762,232 |  |  | $ | 222,733 |  |  | $ | 3,381,493 |
| December 31, 2018 |  | Year ended December 31, 2018
| Deferred Policy Acquisition Costs |  | Future Policy Benefits, Losses, Claims and Loss Expenses |  | Unearned Premiums |  | Premium Revenue |  | Net Investment Income |  | Benefits, Claims, Losses and Settlement Expenses |  | Amortization of Deferred Policy Acquisition Costs |  | Other Operating Expenses |  | Net Written Premiums
Property | $ | 66,656 |  |  | $ | 3,086,254 |  |  | $ | 379,943 |  |  | $ | 1,050,831 |  |  | $ | — |  |  | $ | 497,895 |  |  | $ | 177,912 |  |  | $ | 112,954 |  |  | $ | 1,055,188 |
Casualty and Specialty | 410,005 |  |  | 2,985,393 |  |  | 1,336,078 |  |  | 925,298 |  |  | — |  |  | 622,320 |  |  | 255,079 |  |  | 64,883 |  |  | 1,076,714 |
Other | — |  |  | 4,624 |  |  | — |  |  | — |  |  | 269,965 |  |  | (197) |  |  | (2) |  |  | 430 |  |  | — |
Total | $ | 476,661 |  |  | $ | 6,076,271 |  |  | $ | 1,716,021 |  |  | $ | 1,976,129 |  |  | $ | 269,965 |  |  | $ | 1,120,018 |  |  | $ | 432,989 |  |  | $ | 178,267 |  |  | $ | 2,131,902 |

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- Definition The entire disclosure for supplementary insurance information by segment. Includes, but is not limited to, deferred policy acquisition cost; future policy benefit, loss, claim and loss expenses; unearned premium; other policy claim and benefit payable; premium revenue; net investment income; benefit, claim, loss and settlement expenses; amortization of deferred policy acquisition cost; other operating expense; and premium written. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-16) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574960-122915 + Details
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