Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||
| Statement of changes in equity [line items] | |||||||||||||
| Equity | — |
498 052
PLN
|
— | — | — | — | — | — | — | — | — |
471 008
PLN
|
446 596
PLN
|
| Changes in equity [abstract] | |||||||||||||
| Comprehensive income [abstract] | |||||||||||||
| Profit (loss) | — | — |
36 519
PLN
|
— | — | — | — | — | — |
51 835
PLN
|
— | — | — |
| Other comprehensive income | — | — |
8 807
PLN
|
— | — | — |
1 297
PLN
|
— | — |
569,000
PLN
|
— | — | — |
| Comprehensive income |
35 178
PLN
|
— |
27 712
PLN
|
7 745
PLN
|
279,000
PLN
|
27 433
PLN
|
— |
52 016
PLN
|
50 719
PLN
|
52 404
PLN
|
388,000
PLN
|
— | — |
| Dividends recognised as distributions to owners | — | — |
665,000
PLN
|
— |
665,000
PLN
|
0
PLN
|
— |
26 882
PLN
|
26 882
PLN
|
27 743
PLN
|
861,000
PLN
|
— | — |
| Increase (decrease) through other changes, equity |
3,000
PLN
|
— |
3,000
PLN
|
— |
0
PLN
|
3,000
PLN
|
— |
249,000
PLN
|
249,000
PLN
|
249,000
PLN
|
0
PLN
|
— | — |