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Noncontrolling Interests (Narrative) (Details) - USD ($) $ in Thousands |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 01, 2020 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020
DaVinci Reinsurance Ltd. |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Redeemable noncontrolling interest, ownership percentage | 21.40% | 28.70% | 28.70% | 21.40%
Medici |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Redeemable noncontrolling interest, ownership percentage |  |  | 14.70% | 15.70%
DaVinciRe Holdings Ltd. |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Noncontrolling interest, value subscribed |  | $ 250,000 |  |
Redemption of shares from redeemable noncontrolling interests |  |  | $ 157,864 | $ (1,450)
DaVinciRe Holdings Ltd. | Redeemable Noncontrolling Interest |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Redeemable noncontrolling interest, redemption requirement, maximum percentage of shares held |  |  | 50.00% |
DaVinciRe Holdings Ltd. | High |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Share repurchase requests, limit |  |  | 25.00% |
Medici |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Noncontrolling interest, value subscribed |  |  | $ 201,520 | 137,303
Redemption of shares from redeemable noncontrolling interests |  |  | $ 64,191 | 107,386
Written notice period for redemption |  |  | 30 days |
Medici | Vermeer Reinsurance Ltd. | Voting, Non-participating Shares |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Redeemable noncontrolling interest, ownership percentage |  |  | 100.00% |
Vermeer Reinsurance Ltd. |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Noncontrolling interest, value subscribed |  |  | $ 50,000 | $ 45,000
PFZW | Vermeer Reinsurance Ltd. | Participating, Non-voting Common Shares |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Redeemable noncontrolling interest, ownership percentage |  |  | 100.00% |
DaVinci Reinsurance Ltd. |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Noncontrolling interest, value subscribed |  | 40,000 |  |
Noncontrolling interest, increase from sale of parent equity interest | $ 10,000 |  |  |
Third-Party Investors |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Redemption of shares from redeemable noncontrolling interests |  | 156,700 |  |
Third-Party Investors | DaVinciRe Holdings Ltd. |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Noncontrolling interest, value subscribed |  | 150,900 |  |
RenaissanceRe Holdings Ltd. | DaVinciRe Holdings Ltd. |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Noncontrolling interest, value subscribed |  | $ 99,100 |  |

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- Definition This item limits the aggregate of all share repurchase requests to 25% of DaVinciRe's capital in any given year and satisfying all applicable regulatory requirements. If total shareholder requests exceed 25% of DaVinciRe's capital, the number of shares repurchased will be reduced among the requesting shareholders pro-rata, based on the amounts desired to be repurchased. + References No definition available. + Details
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- Definition Redeemable Noncontrolling Interest, Redemption Requirement, Percentage of Aggregate Shares Held, Maximum + References No definition available. + Details
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- Definition Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=123454820&loc=SL4569655-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=123454820&loc=SL4616395-111683 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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