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v3.22.0.1

Subsequent Events (Details) - USD ($) |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 01, 2022 | Feb. 02, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Feb. 04, 2022 | Jul. 28, 2021
Common shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Share repurchase program, shares repurchased (in shares) |  |  |  | 6,578,133 |  |  |
Repurchase of shares |  |  |  | $ 1,000,000,000 |  |  |
Share repurchase program, price per share (in dollars per share) |  |  |  | $ 156.78 |  |  |
Share repurchase program, authorized aggregate amount |  |  |  |  |  |  | $ 500,000,000
Third-Party Investors |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Redemption of shares from redeemable noncontrolling interests |  |  | $ 156,700,000 |  |  |  |
Subsequent Event | DaVinciRe Holdings Ltd. |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Redeemable noncontrolling interest, ownership percentage | 30.90% |  |  |  |  |  |
Subsequent Event | Common shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Share repurchase program, shares repurchased (in shares) |  | 462,350 |  |  |  |  |
Repurchase of shares |  | $ 76,100,000 |  |  |  |  |
Share repurchase program, price per share (in dollars per share) |  | $ 164.52 |  |  |  |  |
Share repurchase program, authorized aggregate amount |  |  |  |  |  | $ 500,000,000 |
Subsequent Event | Third-Party Investors |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Redemption of shares from redeemable noncontrolling interests | $ 87,400,000 |  |  |  |  |  |
Subsequent Event | DaVinciRe Holdings Ltd. |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Noncontrolling interest, increase from sale of parent equity interest | 102,900,000 |  |  |  |  |  |
DaVinciRe Holdings Ltd. |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Noncontrolling interest, value subscribed |  |  | 250,000,000 |  |  |  |
Redemption of shares from redeemable noncontrolling interests |  |  |  | $ 157,864,000 | $ (1,450,000) |  |
DaVinciRe Holdings Ltd. | Third-Party Investors |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Noncontrolling interest, value subscribed |  |  | 150,900,000 |  |  |  |
DaVinciRe Holdings Ltd. | RenaissanceRe Holdings Ltd. |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Noncontrolling interest, value subscribed |  |  | $ 99,100,000 |  |  |  |
DaVinciRe Holdings Ltd. | Investor | Other liabilities |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Noncontrolling interest, value subscribed |  |  |  | $ 387,800,000 |  |  |
DaVinciRe Holdings Ltd. | Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Noncontrolling interest, value subscribed | 500,000,000 |  |  |  |  |  |
DaVinciRe Holdings Ltd. | Subsequent Event | Third-Party Investors |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Noncontrolling interest, value subscribed | 284,800,000 |  |  |  |  |  |
DaVinciRe Holdings Ltd. | Subsequent Event | RenaissanceRe Holdings Ltd. |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Noncontrolling interest, value subscribed | $ 215,200,000 |  |  |  |  |  |
Upsilon RFO Re Ltd. | RenaissanceRe Holdings Ltd. | Primary Beneficiary |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  | 13.70% | 13.80% |  |
Upsilon RFO Re Ltd. | RenaissanceRe Holdings Ltd. | Primary Beneficiary | Preference shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Investment in variable interest entity |  |  |  | $ 32,300,000 | $ 98,100,000 |  |
Upsilon RFO Re Ltd. | Investor | Primary Beneficiary | Preference shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Investment in variable interest entity |  |  |  | 544,600,000 | 835,900,000 |  |
Upsilon RFO Re Ltd. | Investor | Primary Beneficiary | Preference shares | Other liabilities |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Investment in variable interest entity |  |  |  | 79,000,000 |  |  |
Upsilon RFO Re Ltd. | Subsequent Event | RenaissanceRe Holdings Ltd. | Primary Beneficiary |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Variable interest entity, ownership percentage | 13.60% |  |  |  |  |  |
Upsilon RFO Re Ltd. | Subsequent Event | RenaissanceRe Holdings Ltd. | Primary Beneficiary | Preference shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Investment in variable interest entity | $ 10,000,000 |  |  |  |  |  |
Upsilon RFO Re Ltd. | Subsequent Event | Investor | Primary Beneficiary | Preference shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Investment in variable interest entity | $ 89,000,000 |  |  |  |  |  |
Medici |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Noncontrolling interest, value subscribed |  |  |  | 201,520,000 | 137,303,000 |  |
Redemption of shares from redeemable noncontrolling interests |  |  |  | 64,191,000 | $ 107,386,000 |  |
Medici | Investor | Primary Beneficiary | Preference shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Investment in variable interest entity |  |  |  | $ 73,700,000 |  |  |
Medici | Subsequent Event | RenaissanceRe Holdings Ltd. | Primary Beneficiary |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Variable interest entity, ownership percentage | 13.70% |  |  |  |  |  |
Medici | Subsequent Event | RenaissanceRe Holdings Ltd. | Primary Beneficiary | Preference shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Investment in variable interest entity | $ 0 |  |  |  |  |  |
Medici | Subsequent Event | Investor | Primary Beneficiary | Preference shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Investment in variable interest entity | $ 73,700,000 |  |  |  |  |  |

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