Statement Of Changes In Equity [Abstract]

Belysse Group NV - Filing #3122604

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 EUR	39,876 EUR	—	95,991 EUR	258,759 EUR	—	—	—	—	4,836 EUR	162,767 EUR	65,660 EUR	—	252,950 EUR	—	—	—	1,373 EUR	252,950 EUR	—	13,632 EUR	—	—	40,006 EUR	266,475 EUR	—	39,876 EUR	65,660 EUR	—	—	226,469 EUR	—	39,876 EUR	65,660 EUR	259,965 EUR	18,344 EUR	33,537 EUR	3,576 EUR	293,502 EUR	252,950 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	- EUR	—	—	- EUR	16,526 EUR	112,712 EUR	- EUR	—	—	—	- EUR	—	129,238 EUR	16,526 EUR	12,585 EUR	—	—	16,986 EUR	—	- EUR	4,401 EUR	—	—	16,986 EUR	—	—	- EUR	- EUR	—	- EUR	—	—	—	—	—	—	—	—
Comprehensive income	—	—	- EUR	—	—	- EUR	7,730 EUR	122,761 EUR	8,796 EUR	—	—	—	- EUR	—	130,491 EUR	16,526 EUR	33,511 EUR	—	—	16,986 EUR	—	10,056 EUR	6,469 EUR	—	—	27,041 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	—	—	—	—	—	—	—	—