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Statutory Requirements (Tables) | 12 Months Ended
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Dec. 31, 2021
Insurance [Abstract] |
Schedule of Actual and Required Statutory Capital and Surplus |
|  | Bermuda (1) |  | Switzerland (2) |  | U.K. (3) |  | U.S. (4) |
| At December 31, | 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020 |
| Statutory capital and surplus | $ | 7,462,710 |  |  | $ | 6,698,377 |  |  | $ | 874,665 |  |  | $ | 814,837 |  |  | $ | 983,449 |  |  | $ | 874,170 |  |  | $ | 819,811 |  |  | $ | 722,721 |  |
| Required statutory capital and surplus | 1,753,078 |  |  | 1,391,621 |  |  | 780,000 |  |  | 587,300 |  |  | 983,449 |  |  | 874,170 |  |  | 716,118 |  |  | 474,622 |  |
| Unrestricted net assets | 1,575,526 |  |  | 1,705,739 |  |  | 300,438 |  |  | 232,917 |  |  | — |  |  | — |  |  | 81,981 |  |  | 72,272 |  |
(1)Includes Renaissance Reinsurance, DaVinci, RenaissanceRe Specialty U.S. and Vermeer. The Company's Bermuda-domiciled insurance subsidiaries’ capital and surplus is based on the relevant insurer’s statutory financial statements and required statutory capital and surplus is based on the minimum solvency margin. (2)Includes RREAG and its branches in Australia, Bermuda, the U.K. and the U.S. RREAG’s statutory capital and surplus and required statutory capital and surplus incorporate a full year of statutory net loss and risk capital, respectively. (3)Includes Syndicate 1458. With respect to statutory capital and surplus and required statutory capital and surplus, and as described below, underwriting capacity of a member of Lloyd’s must be supported by providing a deposit in the form of cash, securities or letters of credit, which are referred to as Funds at Lloyd’s (“FAL”). FAL is determined by Lloyd’s and is based on Syndicate 1458’s solvency and capital requirements as calculated through its internal model. Syndicate 1458 is capitalized by its FAL, with the related assets not held on its balance sheet. As such, unrestricted net assets is not applicable to Syndicate 1458; however, the Company can make an application to obtain approval from Lloyd’s to have funds released to RenaissanceRe from Syndicate 1458, subject to passing a Lloyd’s release test. (4)Includes Renaissance Reinsurance U.S.
Schedule of Statutory Net (Loss) Income | Statutory net income (loss) of the Company’s regulated insurance operations in its most significant regulatory jurisdictions are detailed below:
|  | Statutory Net Income (Loss) |
|  | Bermuda (1) |  | Switzerland (2) |  | U.K. (3) |  | U.S. (4) |
| Year ended December 31, 2021 | $ | (89,267) |  |  | $ | 80,500 |  |  | $ | (46,352) |  |  | $ | 10,465 |  |
| Year ended December 31, 2020 | 836,707 |  |  | 71,829 |  |  | (37,427) |  |  | 17,403 |  |
| Year ended December 31, 2019 | 705,808 |  |  | (52,699) |  |  | (667) |  |  | 37,827 |  |
(1)Includes Renaissance Reinsurance, DaVinci, RenaissanceRe Specialty U.S. and Vermeer. (2)Includes RREAG and its branches in Australia, Bermuda, the U.K. and the U.S. (3)Includes Syndicate 1458. (4)Includes Renaissance Reinsurance U.S.

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