Statement Of Financial Position [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 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 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Property, plant and equipment |
416 022
PLN
|
— | — | — | — | — | — | — |
432 086
PLN
|
— | — | — | — | — | — |
| Investment property |
4 615
PLN
|
— | — | — | — | — | — | — |
3 489
PLN
|
— | — | — | — | — | — |
| Goodwill |
7 323
PLN
|
— | — | — | — | — | — | — |
6 969
PLN
|
— | — | — | — | — | — |
| Intangible assets other than goodwill |
6 385
PLN
|
— | — | — | — | — | — | — |
6 805
PLN
|
— | — | — | — | — | — |
| Deferred tax assets |
35 092
PLN
|
— | — | — | — | — | — | — |
32 462
PLN
|
— | — | — | — | — | — |
| Cash and cash equivalents |
110 007
PLN
|
— | — | — | — | — | — | — |
79 727
PLN
|
— |
86 525
PLN
|
— | — | — | — |
| Assets |
1 004 181
PLN
|
— | — | — | — | — | — | — |
954 664
PLN
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
5 376
PLN
|
— | — | — |
5 376
PLN
|
— | — | — |
5 376
PLN
|
5 376
PLN
|
— | — | — | — |
5 376
PLN
|
| Retained earnings |
498 019
PLN
|
498 019
PLN
|
— | — | — |
462 844
PLN
|
— | — |
462 844
PLN
|
— | — |
439 256
PLN
|
— | — | — |
| Equity attributable to owners of parent |
497 623
PLN
|
— | — |
497 623
PLN
|
— | — |
470 193
PLN
|
— |
470 193
PLN
|
— | — | — | — |
445 308
PLN
|
— |
| Non-controlling interests |
429,000
PLN
|
— |
429,000
PLN
|
— | — | — | — |
815,000
PLN
|
815,000
PLN
|
— | — | — |
1 288
PLN
|
— | — |
| Equity |
498 052
PLN
|
— | — | — | — | — | — | — |
471 008
PLN
|
— |
446 596
PLN
|
— | — | — | — |
| Liabilities [abstract] | |||||||||||||||
| Deferred tax liabilities |
13,000
PLN
|
— | — | — | — | — | — | — |
379,000
PLN
|
— | — | — | — | — | — |
| Equity and liabilities |
1 004 181
PLN
|
— | — | — | — | — | — | — |
954 664
PLN
|
— | — | — | — | — | — |