Statement Of Changes In Equity [Abstract]

Belysse Group NV - Filing #3122621

Concept	As at 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	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 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	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	15,140,000 EUR	39,876,000 EUR	—	95,991,000 EUR	258,759,000 EUR	—	—	—	—	4,836,000 EUR	162,767,000 EUR	65,660,000 EUR	—	252,950,000 EUR	—	—	—	1,373,000 EUR	252,950,000 EUR	—	13,632,000 EUR	—	—	40,006,000 EUR	266,475,000 EUR	—	39,876,000 EUR	65,660,000 EUR	—	—	226,469,000 EUR	—	39,876,000 EUR	65,660,000 EUR	259,965,000 EUR	18,344,000 EUR	33,537,000 EUR	3,576,000 EUR	293,502,000 EUR	252,950,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	- EUR	—	—	- EUR	16,526,000 EUR	112,712,000 EUR	- EUR	—	—	—	- EUR	—	129,238,000 EUR	16,526,000 EUR	12,585,000 EUR	—	—	16,986,000 EUR	—	- EUR	4,401,000 EUR	—	—	16,986,000 EUR	—	—	- EUR	- EUR	—	- EUR	—	—	—	—	—	—	—	—
Comprehensive income	—	—	- EUR	—	—	- EUR	7,730,000 EUR	122,761,000 EUR	8,796,000 EUR	—	—	—	- EUR	—	130,491,000 EUR	16,526,000 EUR	33,511,000 EUR	—	—	16,986,000 EUR	—	10,056,000 EUR	6,469,000 EUR	—	—	27,041,000 EUR	—	—	- EUR	- EUR	—	- EUR	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	- EUR	—	—	- EUR	13,000 EUR	- EUR	- EUR	—	—	—	- EUR	—	13,000 EUR	13,000 EUR	15,000 EUR	—	—	15,000 EUR	—	- EUR	- EUR	—	—	15,000 EUR	—	—	- EUR	- EUR	—	- EUR	—	—	—	—	—	—	—	—