XML 81 R67.htm IDEA: XBRL DOCUMENT v3.24.0.1
Liability for Unpaid Losses and Loss Adjustment Expenses Historical Incurred Losses and LAE (Details)
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
[1]
Dec. 31, 2019
USD ($)
[1]
Dec. 31, 2018
USD ($)
[1]
Dec. 31, 2017
USD ($)
[1]
Dec. 31, 2016
USD ($)
[1]
Dec. 31, 2015
USD ($)
[1]
Dec. 31, 2014
USD ($)
[1]
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance $ 3,822.7                  
Cumulative paid losses and LAE, net of reinsurance 2,777.9                  
Liabilities for unpaid losses and LAE, net of reinsurance 1,389.2                  
Prior years (44.9) $ (33.5) $ (39.8)              
Involuntary assigned risk business                    
Claims Development [Line Items]                    
Prior years (0.3) (1.4) (1.8)              
Accident years prior to 2014                    
Claims Development [Line Items]                    
Cumulative paid losses and LAE, net of reinsurance 344.4                  
Accident Year 2014                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 395.9 402.1 [1] 406.0 [1] $ 415.5 $ 424.7 $ 430.5 $ 434.6 $ 432.9 $ 445.8 $ 463.4
IBNR $ 20.1                  
Cumulative number of reported claims 28,602                  
Cumulative paid losses and LAE, net of reinsurance $ 364.7 361.6 [1] 357.7 [1] 351.4 342.1 323.4 297.2 248.9 172.7 $ 65.3
Accident Year 2015                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 374.9 381.9 [1] 384.9 [1] 396.7 408.7 419.6 423.9 425.8 422.2  
IBNR $ 20.2                  
Cumulative number of reported claims 27,282                  
Cumulative paid losses and LAE, net of reinsurance $ 337.6 333.7 [1] 329.3 [1] 322.2 311.2 290.5 246.9 174.5 $ 65.5  
Accident year 2016                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 347.1 350.4 [1] 354.8 [1] 364.6 375.0 395.4 414.6 419.0    
IBNR $ 26.6                  
Cumulative number of reported claims 25,827                  
Cumulative paid losses and LAE, net of reinsurance $ 302.3 298.1 [1] 290.0 [1] 278.3 261.2 227.7 166.8 $ 65.6    
Accident year 2017                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 322.5 326.9 [1] 329.8 [1] 337.9 358.3 391.3 412.4      
IBNR $ 25.1                  
Cumulative number of reported claims 25,126                  
Cumulative paid losses and LAE, net of reinsurance $ 277.1 269.5 [1] 260.0 [1] 243.7 215.7 160.2 $ 63.5      
Accident Year 2018                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 400.5 400.5 [1] 400.6 [1] 407.7 424.6 422.5        
IBNR $ 26.2                  
Cumulative number of reported claims 28,020                  
Cumulative paid losses and LAE, net of reinsurance $ 340.1 315.2 [1] 293.6 [1] 254.2 189.9 $ 77.9        
Accident Year 2019                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 443.9 448.8 [1] 448.5 [1] 435.7 422.4          
IBNR $ 42.7                  
Cumulative number of reported claims 33,034                  
Cumulative paid losses and LAE, net of reinsurance $ 354.4 325.8 [1] 285.2 [1] 212.6 $ 88.8          
Prior years     10.0              
Accident Year 2020                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 366.9 373.3 [1] 374.0 [1] 365.7            
IBNR $ 41.9                  
Cumulative number of reported claims 24,274                  
Cumulative paid losses and LAE, net of reinsurance $ 274.3 233.5 [1] 175.6 [1] $ 71.9            
Prior years     8.0              
Accident Year 2021                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 348.9 339.0 [1] 339.2 [1]              
IBNR $ 44.0                  
Cumulative number of reported claims 22,879                  
Cumulative paid losses and LAE, net of reinsurance $ 231.2 166.8 [1] $ 66.1 [1]              
Accident Year 2022                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 400.7 399.3 [1]                
IBNR $ 95.2                  
Cumulative number of reported claims 23,101                  
Cumulative paid losses and LAE, net of reinsurance $ 203.7 $ 76.5 [1]                
Accident Year 2023                    
Claims Development [Line Items]                    
Incurred losses and LAE, net of reinsurance 421.4                  
IBNR $ 190.5                  
Cumulative number of reported claims 20,088                  
Cumulative paid losses and LAE, net of reinsurance $ 92.5                  
[1] Data presented for these calendar years is required supplementary information, which is unaudite