Statement Of Changes In Equity [Abstract]

Alfen N.V. - Filing #1865426

Concept	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	150,583,000 EUR	—	—	—	53,047,000 EUR	50,651,000 EUR	44,710,000 EUR	2,175,000 EUR	22,265,000 EUR	96,319,000 EUR	—	21,450,000 EUR	—	50,429,000 EUR	—	2,175,000 EUR	—	—	9,637,000 EUR	2,175,000 EUR	11,987,000 EUR	50,429,000 EUR	74,228,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	53,047,000 EUR	—	53,047,000 EUR	—	—	—	—	—	—	—	—	21,450,000 EUR	—	—	—	21,450,000 EUR	—	—	—	—	—	—
Other comprehensive income	—	— EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	— EUR	—	—	—	—	—	—
Comprehensive income	—	53,047,000 EUR	—	53,047,000 EUR	—	—	—	—	—	—	—	—	21,450,000 EUR	—	—	—	21,450,000 EUR	—	—	—	—	—	—
Issue of equity	—	— EUR	—	—	—	—	—	—	—	—	— EUR	—	—	—	— EUR	—	— EUR	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	— EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	— EUR	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	995,000 EUR	995,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	641,000 EUR	641,000 EUR	—	—	—	—	—