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 |
As at 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 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2018-01-01 |
As at 2018-01-01 |
As at 2018-01-01 |
As at 2018-01-01 |
As at 2018-01-01 |
As at 2018-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity | — |
41 482
PLN
|
1 210
PLN
|
87 723
PLN
|
48 046
PLN
|
— |
1 888
PLN
|
83,000
PLN
|
— | — |
88 933
PLN
|
— | — | — | — |
48 046
PLN
|
— |
80 476
PLN
|
1 418
PLN
|
1 320
PLN
|
80 476
PLN
|
1 418
PLN
|
— | — |
81 894
PLN
|
83,000
PLN
|
33 667
PLN
|
1 320
PLN
|
— |
48 046
PLN
|
— |
83,000
PLN
|
— |
33 667
PLN
|
79 944
PLN
|
83,000
PLN
|
33 140
PLN
|
1 319
PLN
|
48 046
PLN
|
1 325
PLN
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
7 787
PLN
|
— | — | — | — |
7 737
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
50,000
PLN
|
0
PLN
|
7 737
PLN
|
0
PLN
|
— |
4 863
PLN
|
— | — | — | — | — |
4 863
PLN
|
50,000
PLN
|
— | — | — | — |
4 913
PLN
|
— |
0
PLN
|
— |
0
PLN
|
— | — | — | — | — | — | — |
| Other comprehensive income |
737,000
PLN
|
— | — | — | — |
33,000
PLN
|
— | — |
446,000
PLN
|
0
PLN
|
— |
258,000
PLN
|
0
PLN
|
479,000
PLN
|
10,000
PLN
|
— |
111,000
PLN
|
— | — | — | — | — |
121,000
PLN
|
231,000
PLN
|
— | — | — | — |
2,000
PLN
|
— |
0
PLN
|
— |
0
PLN
|
— | — | — | — | — | — | — |
| Comprehensive income |
7 050
PLN
|
— | — | — | — |
7 704
PLN
|
— | — |
446,000
PLN
|
0
PLN
|
— |
208,000
PLN
|
0
PLN
|
7 258
PLN
|
10,000
PLN
|
— |
4 752
PLN
|
— | — | — | — | — |
4 742
PLN
|
281,000
PLN
|
— | — | — | — |
4 911
PLN
|
— |
0
PLN
|
— |
0
PLN
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — |
0
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
0
PLN
|
0
PLN
|
— |
4 215
PLN
|
— | — | — | — | — |
4 215
PLN
|
122,000
PLN
|
— | — | — | — | — | — |
0
PLN
|
— |
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — | — |
111,000
PLN
|
— | — |
122,000
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
11,000
PLN
|
5,000
PLN
|
— |
5,000
PLN
|
— | — | — | — | — |
0
PLN
|
60,000
PLN
|
— | — | — | — | — | — |
0
PLN
|
— |
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) in equity | — | — | — | — | — |
7 815
PLN
|
— | — |
568,000
PLN
|
0
PLN
|
— |
208,000
PLN
|
0
PLN
|
7 247
PLN
|
5,000
PLN
|
— |
532,000
PLN
|
— | — | — | — | — |
527,000
PLN
|
99,000
PLN
|
— | — | — | — | — | — |
0
PLN
|
— |
0
PLN
|
— | — | — | — | — | — | — |