XML 73 R62.htm IDEA: XBRL DOCUMENT v3.25.1
VARIABLE INTEREST ENTITIES (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
USD ($)
account
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Variable Interest Entity [Line Items]        
Number of segregated accounts | account 4      
Assets $ 53,633,383   $ 50,707,550  
Liabilities 36,594,707   33,155,789  
Investments in other ventures, under equity method 101,227   102,770  
Redeemable noncontrolling interests 6,690,173   6,977,749  
Ceded premiums written 711,974 $ 791,111    
Ceded premiums earned 386,440 433,030    
Vermeer        
Variable Interest Entity [Line Items]        
Redeemable noncontrolling interests 1,692,777 1,433,268 1,799,857 $ 1,555,297
Fontana        
Variable Interest Entity [Line Items]        
Redeemable noncontrolling interests 535,656 451,397 469,439 $ 353,823
Variable Interest Entity, Primary Beneficiary | Upsilon RFO Re Ltd.        
Variable Interest Entity [Line Items]        
Assets 1,500,000   2,400,000  
Liabilities 1,500,000   2,400,000  
Net assets 47,900   60,500  
Variable Interest Entity, Primary Beneficiary | Vermeer        
Variable Interest Entity [Line Items]        
Assets 1,900,000   1,900,000  
Liabilities 229,600   93,000  
Redeemable noncontrolling interests 1,700,000   1,800,000  
Variable Interest Entity, Primary Beneficiary | Fontana        
Variable Interest Entity [Line Items]        
Assets 2,400,000   2,200,000  
Liabilities 1,700,000   1,600,000  
Redeemable noncontrolling interests 535,700   469,400  
Variable Interest Entity, Primary Beneficiary | Investors Of Upsilon RFO Diversified I, II and III | Upsilon RFO Re Ltd.        
Variable Interest Entity [Line Items]        
Payments of capital distribution 25,300 109,300    
Net assets 320,200   282,200  
Variable Interest Entity, Primary Beneficiary | RenaissanceRe Holdings Ltd. | Upsilon RFO Re Ltd.        
Variable Interest Entity [Line Items]        
Payments of capital distribution $ 13,000    
Variable interest entity, ownership percentage 13.50% 14.60%    
Variable Interest Entity, Primary Beneficiary | Investors Of Upsilon RFO Diversified IV | Upsilon RFO Re Ltd.        
Variable Interest Entity [Line Items]        
Payments of capital distribution $ 15,100      
Variable Interest Entity, Not Primary Beneficiary | Upsilon Diversified        
Variable Interest Entity [Line Items]        
Investments in other ventures, under equity method 500   500  
Variable Interest Entity, Not Primary Beneficiary | NOC1        
Variable Interest Entity [Line Items]        
Investments in other ventures, under equity method 1,700   1,700  
Variable Interest Entity, Not Primary Beneficiary | AlphaCat Managers Ltd        
Variable Interest Entity [Line Items]        
Investments in other ventures, under equity method 3,500   3,600  
Variable Interest Entity, Not Primary Beneficiary | Upsilon Diversified        
Variable Interest Entity [Line Items]        
Assets 354,500   440,600  
Liabilities 37,300   140,900  
Variable Interest Entity, Not Primary Beneficiary | Upsilon Diversified | Upsilon RFO Re Ltd.        
Variable Interest Entity [Line Items]        
Investment owned, fair value 325,700   304,000  
Variable Interest Entity, Not Primary Beneficiary | NOC1        
Variable Interest Entity [Line Items]        
Assets 175,400   173,400  
Liabilities 1,100   2,200  
Variable Interest Entity, Not Primary Beneficiary | Mona Lisa Re        
Variable Interest Entity [Line Items]        
Assets 992,300   936,100  
Liabilities 992,300   936,100  
Variable Interest Entity, Not Primary Beneficiary | Mona Lisa Re | Term Loans        
Variable Interest Entity [Line Items]        
Investment in participating notes 5,300   7,000  
Variable Interest Entity, Not Primary Beneficiary | Tailwind Re Ltd        
Variable Interest Entity [Line Items]        
Assets 86,100   416,800  
Liabilities 86,100   416,800  
Variable Interest Entity, Not Primary Beneficiary | AlphaCat Managers Ltd        
Variable Interest Entity [Line Items]        
Assets 2,100,000   3,000,000  
Liabilities 1,100,000   1,300,000  
Variable Interest Entity, Not Primary Beneficiary | RenaissanceRe Holdings Ltd. | Tailwind Re Ltd        
Variable Interest Entity [Line Items]        
Ceded premiums written   $ 42,700    
Ceded premiums earned   10,600    
Variable Interest Entity, Not Primary Beneficiary | Investors Of Upsilon RFO Diversified IV | Upsilon RFO Re Ltd.        
Variable Interest Entity [Line Items]        
Net assets 107,000   $ 88,300  
Variable Interest Entity, Not Primary Beneficiary | Third Party Investor | Upsilon Diversified        
Variable Interest Entity [Line Items]        
Payments of capital distribution 24,200 90,000    
Variable Interest Entity, Not Primary Beneficiary | Third Party Investor | NOC1 | Preference shares        
Variable Interest Entity [Line Items]        
Investment in variable interest entity   20,000    
Variable Interest Entity, Not Primary Beneficiary | Renaissance Reinsurance Ltd. | Mona Lisa Re        
Variable Interest Entity [Line Items]        
Ceded premiums written 44,500 18,900    
Ceded premiums earned 17,400 8,300    
Variable Interest Entity, Not Primary Beneficiary | DaVinci Reinsurance Ltd. | Mona Lisa Re        
Variable Interest Entity [Line Items]        
Ceded premiums written 11,200 4,700    
Ceded premiums earned $ 4,400 $ 2,100