Statement Of Changes In Equity [Abstract]
| 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 | — |
49 830 702
PLN
|
0
PLN
|
143 404 751
PLN
|
136 000
PLN
|
— |
4 003 703
PLN
|
89 434 346
PLN
|
— | — |
143 404 751
PLN
|
— | — | — | — |
79 129 831
PLN
|
— |
0
PLN
|
4 003 500
PLN
|
— | — |
79 129 831
PLN
|
89 433 646
PLN
|
14 444 015
PLN
|
— |
136 700
PLN
|
— | — |
2 599 932
PLN
|
136 700
PLN
|
89 433 646
PLN
|
10 278 378
PLN
|
81 891 900
PLN
|
0
PLN
|
81 891 900
PLN
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
64 274 716
PLN
|
— | — | — | — |
64 274 716
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
64 274 716
PLN
|
0
PLN
|
— |
4 165 637
PLN
|
— | — |
4 165 637
PLN
|
0
PLN
|
— | — | — |
4 165 637
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Other comprehensive income |
203
PLN
|
— | — | — | — |
0
PLN
|
— | — |
203
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
203
PLN
|
2 454
PLN
|
— |
2 454
PLN
|
— | — |
0
PLN
|
0
PLN
|
— | — | — |
2 454
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Comprehensive income |
64 274 919
PLN
|
— | — | — | — |
64 274 716
PLN
|
— | — |
203
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
64 274 919
PLN
|
2 454
PLN
|
— |
4 163 183
PLN
|
— | — |
4 165 637
PLN
|
0
PLN
|
— | — | — |
4 163 183
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
0
PLN
|
— | — | — | — |
0
PLN
|
— | — |
0
PLN
|
700
PLN
|
— |
0
PLN
|
700
PLN
|
0
PLN
|
0
PLN
|
— |
0
PLN
|
— | — |
0
PLN
|
0
PLN
|
— | — | — |
0
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
0
PLN
|
— | — | — | — |
0
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
0
PLN
|
1 401 114
PLN
|
— |
1 401 114
PLN
|
— | — |
0
PLN
|
0
PLN
|
— | — | — |
1 401 114
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) in equity |
64 274 919
PLN
|
— | — | — | — |
64 274 716
PLN
|
— | — |
203
PLN
|
700
PLN
|
— |
0
PLN
|
700
PLN
|
64 274 919
PLN
|
1 403 568
PLN
|
— |
2 762 069
PLN
|
— | — |
4 165 637
PLN
|
0
PLN
|
— | — | — |
2 762 069
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |