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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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-Topic 480
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+ Details

NONCONTROLLING INTERESTS - Schedule of Noncontrolling Interests (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests	$ 7,343,353		$ 7,343,353			$ 7,602,092
Net income (loss) attributable to redeemable noncontrolling interest	315,260	$ 328,339	537,711	$ 133,087
Variable Interest Entity, Primary Beneficiary
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests	7,343,353		7,343,353			7,602,092
Net income (loss) attributable to redeemable noncontrolling interest	315,260	328,339	537,711	133,087
DaVinciRe Holdings Ltd. \| Variable Interest Entity, Primary Beneficiary
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests	3,496,477	3,210,791	3,496,477	3,210,791	$ 3,291,360	3,701,637	$ 2,992,338	$ 3,061,708
Net income (loss) attributable to redeemable noncontrolling interest	205,117	218,453	362,017	106,012
Medici \| Variable Interest Entity, Primary Beneficiary
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests	1,444,350	1,532,990	1,444,350	1,532,990	1,433,068	1,398,166	1,469,402	1,646,745
Net income (loss) attributable to redeemable noncontrolling interest	26,313	38,993	46,120	54,156
Vermeer \| Variable Interest Entity, Primary Beneficiary
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests	1,888,913	1,750,202	1,888,913	1,750,202	1,824,130	1,922,431	1,692,777	1,799,857
Net income (loss) attributable to redeemable noncontrolling interest	64,783	57,425	116,482	(49,655)
Fontana \| Variable Interest Entity, Primary Beneficiary
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests	513,613	549,124	513,613	549,124	$ 494,566	$ 579,858	$ 535,656	$ 469,439
Net income (loss) attributable to redeemable noncontrolling interest	$ 19,047	$ 13,468	$ 13,092	$ 22,574