Statement Of Changes In Equity [Abstract]

Soitec - Filing #901620

Concept	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31	2019-04-01 to 2020-03-31	2019-04-01 to 2020-03-31	2019-04-01 to 2020-03-31	2019-04-01 to 2020-03-31	2019-04-01 to 2020-03-31	As at 2020-03-31	2019-04-01 to 2020-03-31	As at 2020-03-31	As at 2020-03-31	2019-04-01 to 2020-03-31	As at 2019-03-31	As at 2019-03-31	As at 2019-03-31	As at 2019-03-31	As at 2019-03-31	As at 2019-03-31	As at 2019-03-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	369,000 EUR	533 528 EUR	7 572 EUR	675 500 EUR	66 730 EUR	83 183 EUR	675 500 EUR	—	—	—	—	—	—	—	551 726 EUR	7 387 EUR	551 726 EUR	377,000 EUR	—	—	—	—	—	82 426 EUR	—	66 558 EUR	395 732 EUR	—	4 803 EUR	398 317 EUR	398 317 EUR	61 200 EUR	62 762 EUR	269 985 EUR	432,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	—	—	—	—	—	—	72 671 EUR	—	—	—	—	—	—	—	—	—	109 681 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	14 959 EUR	- EUR	14 959 EUR	14 959 EUR	- EUR	- EUR	- EUR	—	—	—	—	2 584 EUR	2 584 EUR	- EUR	- EUR	- EUR	—	2 584 EUR	—	—	- EUR	—	—	—	—	—	—	—
Comprehensive income	—	—	—	—	—	—	—	14 959 EUR	- EUR	57 712 EUR	57 712 EUR	- EUR	- EUR	72 671 EUR	—	—	—	—	112 265 EUR	112 265 EUR	- EUR	- EUR	109 681 EUR	—	2 584 EUR	—	—	- EUR	—	—	—	—	—	—	—
Issue of equity	—	—	—	—	—	—	—	- EUR	- EUR	929,000 EUR	929,000 EUR	172,000 EUR	757,000 EUR	- EUR	—	—	—	—	21 835 EUR	21 835 EUR	3 796 EUR	21 226 EUR	3 187 EUR	—	- EUR	—	—	- EUR	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	—	—	—	—	—	—	- EUR	8,000 EUR	8,000 EUR	8,000 EUR	- EUR	- EUR	- EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—