Statement Of Changes In Equity [Abstract]

Ferrum S.A. - Filing #6267275

Concept	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	102 599 PLN	0 PLN	111 995 PLN	178 946 PLN	—	1 507 PLN	34 141 PLN	—	—	111 995 PLN	—	—	—	—	121 230 PLN	—	0 PLN	1 866 PLN	—	—	121 230 PLN	34 141 PLN	93 723 PLN	—	178 946 PLN	—	—	1 992 PLN	178 946 PLN	34 141 PLN	86 317 PLN	128 762 PLN	0 PLN	128 762 PLN
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	8 876 PLN	—	—	—	—	8 876 PLN	—	—	0 PLN	0 PLN	—	0 PLN	0 PLN	8 876 PLN	0 PLN	—	7 406 PLN	—	—	7 406 PLN	0 PLN	—	—	—	7 406 PLN	—	0 PLN	0 PLN	—	—	—	—	—	—	—
Other comprehensive income	359,000 PLN	—	—	—	—	0 PLN	—	—	359,000 PLN	0 PLN	—	0 PLN	0 PLN	359,000 PLN	126,000 PLN	—	126,000 PLN	—	—	0 PLN	0 PLN	—	—	—	126,000 PLN	—	0 PLN	0 PLN	—	—	—	—	—	—	—
Comprehensive income	9 235 PLN	—	—	—	—	8 876 PLN	—	—	359,000 PLN	0 PLN	—	0 PLN	0 PLN	9 235 PLN	126,000 PLN	—	7 532 PLN	—	—	7 406 PLN	0 PLN	—	—	—	7 532 PLN	—	0 PLN	0 PLN	—	—	—	—	—	—	—
Increase (decrease) in equity	9 235 PLN	—	—	—	—	8 876 PLN	—	—	359,000 PLN	0 PLN	—	0 PLN	0 PLN	9 235 PLN	126,000 PLN	—	7 532 PLN	—	—	7 406 PLN	0 PLN	—	—	—	7 532 PLN	—	0 PLN	0 PLN	—	—	—	—	—	—	—