Statement Of Changes In Equity [Abstract]

Avantium N.V. - Filing #1882913

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	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 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	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	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	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	91,170,000 EUR	—	—	—	—	—	12,785,000 EUR	10,042,000 EUR	270,829,000 EUR	206,747,000 EUR	4,261,000 EUR	—	—	195,291,000 EUR	11,936,000 EUR	—	50,026,000 EUR	—	— EUR	—	230,252,000 EUR	3,129,000 EUR	—	—	171,057,000 EUR	— EUR	2,591,000 EUR	10,407,000 EUR	204,296,000 EUR	46,238,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	— EUR	— EUR	31,554,000 EUR	29,583,000 EUR	1,970,000 EUR	—	—	—	—	—	— EUR	— EUR	—	—	— EUR	—	— EUR	—	— EUR	—	—	24,416,000 EUR	24,416,000 EUR	—	—	—	—	—	—
Other comprehensive income	—	— EUR	— EUR	— EUR	— EUR	— EUR	—	—	—	—	—	— EUR	— EUR	—	—	— EUR	—	— EUR	—	— EUR	—	—	— EUR	— EUR	—	—	—	—	—	—
Comprehensive income	—	— EUR	— EUR	31,554,000 EUR	29,583,000 EUR	1,970,000 EUR	—	—	—	—	—	— EUR	— EUR	—	—	— EUR	—	— EUR	—	— EUR	—	—	24,416,000 EUR	24,416,000 EUR	—	—	—	—	—	—
Issue of equity	—	1,125,000 EUR	— EUR	41,552,000 EUR	— EUR	— EUR	—	—	—	—	—	40,427,000 EUR	— EUR	—	—	— EUR	—	25,855,000 EUR	—	521,000 EUR	—	—	26,376,000 EUR	— EUR	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	7,000 EUR	— EUR	158,000 EUR	— EUR	— EUR	—	—	—	—	—	151,000 EUR	— EUR	—	—	— EUR	—	101,000 EUR	—	17,000 EUR	—	—	117,000 EUR	— EUR	—	—	—	—	—	—