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 | — |
255 126
PLN
|
11 036
PLN
|
586 658
PLN
|
1 457
PLN
|
— |
5 590
PLN
|
324 485
PLN
|
— | — |
597 694
PLN
|
— | — | — | — |
500 881
PLN
|
— |
12 246
PLN
|
997,000
PLN
|
— | — |
513 127
PLN
|
321 969
PLN
|
178 458
PLN
|
— |
1 451
PLN
|
— | — |
3 719
PLN
|
1 449
PLN
|
320 895
PLN
|
138 455
PLN
|
467 760
PLN
|
10 680
PLN
|
457 080
PLN
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
81 699
PLN
|
— | — | — | — |
78 520
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
3 179
PLN
|
0
PLN
|
78 520
PLN
|
0
PLN
|
— |
68 998
PLN
|
— | — |
68 998
PLN
|
2 134
PLN
|
— | — | — |
71 132
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Other comprehensive income |
26,000
PLN
|
— | — | — | — |
0
PLN
|
— | — |
26,000
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
26,000
PLN
|
92,000
PLN
|
— |
92,000
PLN
|
— | — |
0
PLN
|
0
PLN
|
— | — | — |
92,000
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Comprehensive income |
81 673
PLN
|
— | — | — | — |
78 520
PLN
|
— | — |
26,000
PLN
|
0
PLN
|
— |
3 179
PLN
|
0
PLN
|
78 494
PLN
|
92,000
PLN
|
— |
69 090
PLN
|
— | — |
68 998
PLN
|
2 134
PLN
|
— | — | — |
71 224
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
0
PLN
|
— | — | — | — |
0
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
0
PLN
|
0
PLN
|
— |
0
PLN
|
— | — |
0
PLN
|
568,000
PLN
|
— | — | — |
568,000
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
0
PLN
|
— | — | — | — |
1 852
PLN
|
— | — |
4 506
PLN
|
0
PLN
|
— |
2 654
PLN
|
0
PLN
|
2 654
PLN
|
0
PLN
|
— |
0
PLN
|
— | — |
0
PLN
|
0
PLN
|
— | — | — |
0
PLN
|
— |
0
PLN
|
0
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
4 629
PLN
|
— | — | — | — |
0
PLN
|
— | — |
2 107
PLN
|
6,000
PLN
|
— |
0
PLN
|
2 516
PLN
|
4 629
PLN
|
2 630
PLN
|
— |
3 706
PLN
|
— | — |
0
PLN
|
0
PLN
|
— | — | — |
3 706
PLN
|
— |
2,000
PLN
|
1 074
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) in equity |
84 567
PLN
|
— | — | — | — |
76 668
PLN
|
— | — |
6 587
PLN
|
6,000
PLN
|
— |
1 210
PLN
|
2 516
PLN
|
85 777
PLN
|
2 722
PLN
|
— |
43 801
PLN
|
— | — |
40 003
PLN
|
1 566
PLN
|
— | — | — |
45 367
PLN
|
— |
2,000
PLN
|
1 074
PLN
|
— | — | — | — | — | — | — |