Statement Of Comprehensive Income [Abstract]

Belysse Group NV - Filing #3122621

Concept	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	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	- EUR	16,526,000 EUR	112,712,000 EUR	- EUR	- EUR	- EUR	129,238,000 EUR	16,526,000 EUR	16,986,000 EUR	- EUR	12,585,000 EUR	- EUR	- EUR	4,401,000 EUR	16,986,000 EUR	- EUR
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	- EUR	125,000 EUR	442,000 EUR	125,000 EUR	- EUR	- EUR	568,000 EUR	- EUR	- EUR	- EUR	290,000 EUR	167,000 EUR	- EUR	122,000 EUR	167,000 EUR	- EUR
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	- EUR	17,000 EUR	116,000 EUR	17,000 EUR	- EUR	- EUR	133,000 EUR	- EUR	- EUR	- EUR	45,000 EUR	4,000 EUR	- EUR	41,000 EUR	4,000 EUR	- EUR
Comprehensive income	- EUR	7,730,000 EUR	122,761,000 EUR	8,796,000 EUR	- EUR	- EUR	130,491,000 EUR	16,526,000 EUR	16,986,000 EUR	- EUR	33,511,000 EUR	10,056,000 EUR	- EUR	6,469,000 EUR	27,041,000 EUR	- EUR