v3.25.1
INSURANCE CONTRACTS ASSETS AND LIABILITIES FROM INSURANCE ACTIVITIES - Claims Development, Short-Duration Insurance Contracts (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Life Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 $ 31,290              
Cumulative paid losses and LAE, net of reinsurance 154              
Liabilities for loss and LAE, net of reinsurance 31,136              
Accident Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 12,563              
Cumulative paid losses and LAE, net of reinsurance 227              
Liabilities for loss and LAE, net of reinsurance 12,336              
Civil Liability                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 11,890              
Cumulative paid losses and LAE, net of reinsurance 2,178              
Liabilities for loss and LAE, net of reinsurance 9,712              
Vehicle Owners                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 55,387              
Cumulative paid losses and LAE, net of reinsurance 47,930              
Liabilities for loss and LAE, net of reinsurance 7,457              
Compulsory employer liability insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 16,376              
Cumulative paid losses and LAE, net of reinsurance 11,326              
Liabilities for loss and LAE, net of reinsurance 5,050              
Property Damage                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 5,405              
Cumulative paid losses and LAE, net of reinsurance 863              
Liabilities for loss and LAE, net of reinsurance 4,542              
Motor Vehicle                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 10,537              
Cumulative paid losses and LAE, net of reinsurance 6,881              
Liabilities for loss and LAE, net of reinsurance 3,656              
2018 | Life Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 11 $ 5
Cumulative paid losses and LAE, net of reinsurance 0 0 0 0 0 0 0 0
2018 | Accident Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 0 0 0 0 0 0 4 2
Cumulative paid losses and LAE, net of reinsurance 0 0 0 0 0 0 0 0
2018 | Civil Liability                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1 1 1 1 1 1 1 1
Cumulative paid losses and LAE, net of reinsurance 1 1 1 1 1 1 1 1
2018 | Vehicle Owners                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1,208 1,162 1,162 1,162 1,159 1,153 1,140 794
Cumulative paid losses and LAE, net of reinsurance 1,208 1,162 1,162 1,162 1,159 1,153 1,140 794
2018 | Compulsory employer liability insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1,162 1,044 881 764 718 636 503 428
Cumulative paid losses and LAE, net of reinsurance 1,105 888 723 673 635 546 358 189
2018 | Property Damage                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 517 497 497 497 497 497 455 420
Cumulative paid losses and LAE, net of reinsurance 517 497 497 497 497 497 455 420
2018 | Motor Vehicle                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 163 156 156 156 156 156 153 133
Cumulative paid losses and LAE, net of reinsurance 163 156 156 156 156 156 153 $ 133
2019 | Life Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 0 0 0 0 0 36 116  
Cumulative paid losses and LAE, net of reinsurance 0 0 0 0 0 0 0  
2019 | Accident Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1 1 1 1 1 36 100  
Cumulative paid losses and LAE, net of reinsurance 1 1 1 1 1 1 0  
2019 | Civil Liability                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 0 0 0 0 0 0 0  
Cumulative paid losses and LAE, net of reinsurance 0 0 0 0 0 0 0  
2019 | Vehicle Owners                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1,477 1,420 1,415 1,396 1,387 1,364 946  
Cumulative paid losses and LAE, net of reinsurance 1,477 1,420 1,415 1,396 1,387 1,364 946  
2019 | Compulsory employer liability insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 555 555 512 415 428 453 533  
Cumulative paid losses and LAE, net of reinsurance 448 354 346 332 306 290 196  
2019 | Property Damage                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 10 9 9 9 0 0 0  
Cumulative paid losses and LAE, net of reinsurance 10 9 9 9 0 0 0  
2019 | Motor Vehicle                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 192 184 184 184 184 181 164  
Cumulative paid losses and LAE, net of reinsurance 192 184 184 184 184 181 $ 164  
2020 | Life Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1 1 1 1 21 49    
Cumulative paid losses and LAE, net of reinsurance 1 1 1 1 1 1    
2020 | Accident Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1 1 1 1 90 81    
Cumulative paid losses and LAE, net of reinsurance 1 1 1 1 1 0    
2020 | Civil Liability                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 0 0 0 0 0 0    
Cumulative paid losses and LAE, net of reinsurance 0 0 0 0 0 0    
2020 | Vehicle Owners                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 2,570 2,441 2,441 2,368 2,276 1,454    
Cumulative paid losses and LAE, net of reinsurance 2,570 2,441 2,441 2,368 2,276 1,454    
2020 | Compulsory employer liability insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 885 861 767 685 783 855    
Cumulative paid losses and LAE, net of reinsurance 600 551 493 450 380 196    
2020 | Property Damage                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 12 11 7 7 7 7    
Cumulative paid losses and LAE, net of reinsurance 12 11 7 7 7 7    
2020 | Motor Vehicle                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 243 234 234 233 233 169    
Cumulative paid losses and LAE, net of reinsurance 243 234 234 233 233 $ 169    
2021 | Life Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 0 0 0 2 7      
Cumulative paid losses and LAE, net of reinsurance 0 0 0 0 0      
2021 | Accident Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1 1 1 185 248      
Cumulative paid losses and LAE, net of reinsurance 1 1 1 1 1      
2021 | Civil Liability                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 2 2 2 2 1      
Cumulative paid losses and LAE, net of reinsurance 2 2 2 2 1      
2021 | Vehicle Owners                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 4,653 4,436 4,406 4,294 2,683      
Cumulative paid losses and LAE, net of reinsurance 4,629 4,431 4,400 4,289 2,679      
2021 | Compulsory employer liability insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 897 1,079 1,399 1,068 1,038      
Cumulative paid losses and LAE, net of reinsurance 538 522 510 408 241      
2021 | Property Damage                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 111 107 107 7 2      
Cumulative paid losses and LAE, net of reinsurance 111 107 107 7 2      
2021 | Motor Vehicle                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 341 327 322 310 229      
Cumulative paid losses and LAE, net of reinsurance 341 327 322 310 $ 229      
2022 | Life Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 24 193 200 101        
Cumulative paid losses and LAE, net of reinsurance 0 0 0 0        
2022 | Accident Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 4 4 231 405        
Cumulative paid losses and LAE, net of reinsurance 4 4 4 2        
2022 | Civil Liability                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 727 642 642 642        
Cumulative paid losses and LAE, net of reinsurance 668 642 642 642        
2022 | Vehicle Owners                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 8,873 8,375 8,224 5,478        
Cumulative paid losses and LAE, net of reinsurance 8,783 8,344 8,194 5,471        
2022 | Compulsory employer liability insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1,022 1,177 1,107 1,013        
Cumulative paid losses and LAE, net of reinsurance 665 633 596 411        
2022 | Property Damage                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 115 111 25 6        
Cumulative paid losses and LAE, net of reinsurance 115 111 25 6        
2022 | Motor Vehicle                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 411 386 386 230        
Cumulative paid losses and LAE, net of reinsurance 407 382 382 $ 230        
2023 | Life Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1,061 3,352 524          
Cumulative paid losses and LAE, net of reinsurance 3 3 1          
2023 | Accident Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 10 643 791          
Cumulative paid losses and LAE, net of reinsurance 10 10 5          
2023 | Civil Liability                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 579 58 1          
Cumulative paid losses and LAE, net of reinsurance 76 58 0          
2023 | Vehicle Owners                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 11,540 10,901 8,246          
Cumulative paid losses and LAE, net of reinsurance 11,057 10,475 7,912          
2023 | Compulsory employer liability insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 1,261 1,270 1,356          
Cumulative paid losses and LAE, net of reinsurance 628 556 334          
2023 | Property Damage                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 113 86 64          
Cumulative paid losses and LAE, net of reinsurance 23 22 0          
2023 | Motor Vehicle                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 939 903 568          
Cumulative paid losses and LAE, net of reinsurance 743 715 $ 397          
2024 | Life Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 6,508 13,605            
Cumulative paid losses and LAE, net of reinsurance 93 69            
2024 | Accident Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 3,427 2,016            
Cumulative paid losses and LAE, net of reinsurance 35 30            
2024 | Civil Liability                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 2,949 25            
Cumulative paid losses and LAE, net of reinsurance 1,430 0            
2024 | Vehicle Owners                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 6,236 4,264            
Cumulative paid losses and LAE, net of reinsurance 5,911 4,002            
2024 | Compulsory employer liability insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 2,900 2,621            
Cumulative paid losses and LAE, net of reinsurance 1,725 1,063            
2024 | Property Damage                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 593 110            
Cumulative paid losses and LAE, net of reinsurance 42 38            
2024 | Motor Vehicle                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 3,824 2,270            
Cumulative paid losses and LAE, net of reinsurance 2,599 $ 1,752            
2025 | Life Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 23,696              
Cumulative paid losses and LAE, net of reinsurance 57              
2025 | Accident Insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 9,119              
Cumulative paid losses and LAE, net of reinsurance 175              
2025 | Civil Liability                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 7,632              
Cumulative paid losses and LAE, net of reinsurance 1              
2025 | Vehicle Owners                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 18,830              
Cumulative paid losses and LAE, net of reinsurance 12,295              
2025 | Compulsory employer liability insurance                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 7,694              
Cumulative paid losses and LAE, net of reinsurance 5,617              
2025 | Property Damage                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 3,934              
Cumulative paid losses and LAE, net of reinsurance 33              
2025 | Motor Vehicle                
Effects of Reinsurance [Line Items]                
Incurred losses and LAE, net of reinsurance for the years ended March 31 4,424              
Cumulative paid losses and LAE, net of reinsurance $ 2,193