Statement Of Changes In Equity [Abstract]

Alfen N.V. - Filing #5830027

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	128,958,000 EUR	48,116,000 EUR	2,175,000 EUR	—	—	152,235,000 EUR	27,014,000 EUR	—	—	179,613,000 EUR	29,684,000 EUR	98,811,000 EUR	—	—	48,943,000 EUR	—	2,175,000 EUR	150,583,000 EUR	53,047,000 EUR	50,651,000 EUR	44,710,000 EUR	2,175,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	27,014,000 EUR	— EUR	— EUR	—	—	—	— EUR	27,014,000 EUR	—	—	29,684,000 EUR	29,684,000 EUR	—	—	—	— EUR	— EUR	—	— EUR	—	—	—	—	—	—
Other comprehensive income	— EUR	— EUR	— EUR	—	—	—	— EUR	— EUR	—	—	— EUR	— EUR	—	—	—	— EUR	— EUR	—	— EUR	—	—	—	—	—	—
Comprehensive income	27,014,000 EUR	— EUR	— EUR	—	—	—	— EUR	27,014,000 EUR	—	—	29,684,000 EUR	29,684,000 EUR	—	—	—	— EUR	— EUR	—	— EUR	—	—	—	—	—	—
Issue of equity	— EUR	— EUR	— EUR	—	—	—	— EUR	— EUR	—	—	— EUR	— EUR	—	—	—	— EUR	— EUR	—	— EUR	—	—	—	—	—	—
Dividends recognised as distributions to owners	— EUR	— EUR	— EUR	—	—	—	— EUR	— EUR	—	—	— EUR	— EUR	—	—	—	— EUR	— EUR	—	— EUR	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	— EUR	— EUR	— EUR	—	—	—	463,000 EUR	463,000 EUR	—	—	1,054,000 EUR	— EUR	—	—	—	1,054,000 EUR	— EUR	—	— EUR	—	—	—	—	—	—