v3.26.1
Insurance contracts (Details) - EUR (€)
€ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Reinsurance contracts    
Insurance and reinsurance contracts    
Insurance contract receivables (liabilities) at the beginning of the period € 7,502 € (9,988)
Incurred claims and other directly attributable expenses (181,311) (211,789)
Changes that relate to past service - changes in the fulfillment cash-flows relating to LIC (1,064) 19,354
Claims and other directly attributable expenses paid   (618,473)
Premium revenue 197,493 827,891
Foreign currency translation and other changes 433 507
Insurance contract receivables (liabilities) at the end of the period 23,053 7,502
Premium revenue for past performance years 9,636 32,974
Reinsurance contracts | Present value of future cash flows    
Insurance and reinsurance contracts    
Insurance contract receivables (liabilities) at the beginning of the period 7,921 (9,287)
Incurred claims and other directly attributable expenses (181,341) (211,997)
Changes that relate to past service - changes in the fulfillment cash-flows relating to LIC (1,064) 19,354
Claims and other directly attributable expenses paid   (618,473)
Premium revenue 197,493 827,891
Foreign currency translation and other changes 442 433
Insurance contract receivables (liabilities) at the end of the period 23,451 7,921
Reinsurance contracts | Risk adjustment for non-financial risk    
Insurance and reinsurance contracts    
Insurance contract receivables (liabilities) at the beginning of the period (419) (701)
Incurred claims and other directly attributable expenses 30 208
Foreign currency translation and other changes (9) 74
Insurance contract receivables (liabilities) at the end of the period (398) (419)
Insurance contracts    
Insurance and reinsurance contracts    
Insurance contract receivables (liabilities) at the beginning of the period 12,672 (8,339)
Incurred claims and other directly attributable expenses (179,668) (367,350)
Changes that relate to past service - changes in the fulfillment cash-flows relating to LIC (2,612) 8,475
Claims and other directly attributable expenses paid (37,572) (845,988)
Premium revenue 230,001 1,225,709
Foreign currency translation and other changes 459 165
Insurance contract receivables (liabilities) at the end of the period 23,280 12,672
Premium revenue for past performance years 9,889 30,137
Insurance contracts | Present value of future cash flows    
Insurance and reinsurance contracts    
Insurance contract receivables (liabilities) at the beginning of the period 13,248 (7,751)
Incurred claims and other directly attributable expenses (179,242) (367,292)
Changes that relate to past service - changes in the fulfillment cash-flows relating to LIC (2,585) 8,475
Claims and other directly attributable expenses paid (37,572) (845,988)
Premium revenue 230,001 1,225,709
Foreign currency translation and other changes 480 95
Insurance contract receivables (liabilities) at the end of the period 24,330 13,248
Insurance contracts | Risk adjustment for non-financial risk    
Insurance and reinsurance contracts    
Insurance contract receivables (liabilities) at the beginning of the period (576) (588)
Incurred claims and other directly attributable expenses (426) (58)
Changes that relate to past service - changes in the fulfillment cash-flows relating to LIC (27)  
Foreign currency translation and other changes (21) 70
Insurance contract receivables (liabilities) at the end of the period € (1,050) € (576)