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NONCONTROLLING INTERESTS - Schedule of Activity in Redeemable Noncontrolling Interest (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Activity in redeemable noncontrolling interest |  |  |  |
Beginning balance |  |  | $ 6,977,749,000 |
Net income (loss) attributable to redeemable noncontrolling interest | $ 328,339,000 | $ 224,731,000 | 133,087,000 | $ 469,558,000
Ending balance | 7,043,107,000 |  | 7,043,107,000 |
DaVinci Holdings Ltd. |  |  |  |
Activity in redeemable noncontrolling interest |  |  |  |
Beginning balance | 2,992,338,000 | 2,634,555,000 | 3,061,708,000 | 2,541,482,000
Redemption of shares/capital from redeemable noncontrolling interest, net of adjustments | 0 | (26,147,000) | (26,929,000) | (381,849,000)
Net income (loss) attributable to redeemable noncontrolling interest | 218,453,000 | 152,511,000 | 106,012,000 | 300,524,000
Ending balance | 3,210,791,000 | 2,760,164,000 | 3,210,791,000 | 2,760,164,000
DaVinci Holdings Ltd. | Third-Party Investors And RenaissanceRe |  |  |  |
Activity in redeemable noncontrolling interest |  |  |  |
Sale of shares to redeemable noncontrolling interests, net of adjustments | 0 | (755,000) | 70,000,000 | 300,007,000
Medici |  |  |  |
Activity in redeemable noncontrolling interest |  |  |  |
Beginning balance | 1,469,402,000 | 1,778,763,000 | 1,646,745,000 | 1,650,229,000
Redemption of shares/capital from redeemable noncontrolling interest, net of adjustments | (56,734,000) | (181,983,000) | (295,529,000) | (227,550,000)
Sale of shares and contribution of capital to/by redeemable noncontrolling interests | 81,329,000 | 21,479,000 | 142,932,000 | 167,721,000
Net income (loss) attributable to redeemable noncontrolling interest | 38,993,000 | 13,249,000 | 54,156,000 | 59,518,000
Dividends on common shares | 0 | 0 | (15,314,000) | (18,410,000)
Ending balance | 1,532,990,000 | 1,631,508,000 | 1,532,990,000 | 1,631,508,000
Vermeer |  |  |  |
Activity in redeemable noncontrolling interest |  |  |  |
Beginning balance | 1,692,777,000 | 1,433,268,000 | 1,799,857,000 | 1,555,297,000
Sale of shares and contribution of capital to/by redeemable noncontrolling interests |  |  | 0 |
Net income (loss) attributable to redeemable noncontrolling interest | 57,425,000 | 56,624,000 | (49,655,000) | 109,595,000
Dividends on common shares | 0 | 0 | 0 | (175,000,000)
Ending balance | 1,750,202,000 | 1,489,892,000 | 1,750,202,000 | 1,489,892,000
Fontana |  |  |  |
Activity in redeemable noncontrolling interest |  |  |  |
Beginning balance | 535,656,000 | 451,397,000 | 469,439,000 | 353,823,000
Redemption of shares/capital from redeemable noncontrolling interest, net of adjustments | 0 | 0 | (72,044,000) | 0
Sale of shares and contribution of capital to/by redeemable noncontrolling interests | 0 | 0 | 129,155,000 | 100,000,000
Net income (loss) attributable to redeemable noncontrolling interest | 13,468,000 | 2,347,000 | 22,574,000 | (79,000)
Ending balance | $ 549,124,000 | $ 453,744,000 | $ 549,124,000 | $ 453,744,000

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- Definition As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479887/480-10-S45-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479857/480-10-S50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479887/480-10-S45-3 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3A -Subparagraph (24) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (01)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-1 + Details
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