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 | — |
132 100
PLN
|
982,000
PLN
|
270 355
PLN
|
30 054
PLN
|
— |
2 101
PLN
|
106 100
PLN
|
— | — |
271 337
PLN
|
— | — | — | — |
238 732
PLN
|
— |
1 172
PLN
|
1 786
PLN
|
— | — |
239 904
PLN
|
49 930
PLN
|
165 162
PLN
|
— |
21 854
PLN
|
— | — |
77,000
PLN
|
21 854
PLN
|
49 930
PLN
|
144 557
PLN
|
217 763
PLN
|
1 499
PLN
|
216 264
PLN
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
31 122
PLN
|
— | — | — | — |
31 308
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
186,000
PLN
|
0
PLN
|
31 308
PLN
|
0
PLN
|
— |
20 605
PLN
|
— | — |
20 605
PLN
|
317,000
PLN
|
— | — | — |
20 288
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Other comprehensive income |
310,000
PLN
|
— | — | — | — |
0
PLN
|
— | — |
315,000
PLN
|
0
PLN
|
— |
5,000
PLN
|
0
PLN
|
315,000
PLN
|
1 863
PLN
|
— |
1 863
PLN
|
— | — |
0
PLN
|
11,000
PLN
|
— | — | — |
1 852
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Comprehensive income |
31 432
PLN
|
— | — | — | — |
31 308
PLN
|
— | — |
315,000
PLN
|
0
PLN
|
— |
191,000
PLN
|
0
PLN
|
31 623
PLN
|
1 863
PLN
|
— |
22 468
PLN
|
— | — |
20 605
PLN
|
328,000
PLN
|
— | — | — |
22 140
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
1,000
PLN
|
— | — | — | — |
0
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
1,000
PLN
|
0
PLN
|
0
PLN
|
0
PLN
|
— |
0
PLN
|
— | — |
0
PLN
|
1,000
PLN
|
— | — | — |
1,000
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) in equity |
31 433
PLN
|
— | — | — | — |
33 062
PLN
|
— | — |
315,000
PLN
|
8 200
PLN
|
— |
190,000
PLN
|
56 170
PLN
|
31 623
PLN
|
1 863
PLN
|
— |
22 468
PLN
|
— | — |
20 605
PLN
|
327,000
PLN
|
— | — | — |
22 141
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |