Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
2 073
PLN
|
— |
1 521
PLN
|
— |
| Goodwill |
31 172
PLN
|
— |
31 172
PLN
|
— |
| Investment property [abstract] | ||||
| Investment property |
6 497
PLN
|
— |
5 877
PLN
|
— |
| Trade and other non-current receivables [abstract] | ||||
| Non-current prepayments and non-current accrued income other than non-current contract assets [abstract] | ||||
| Non-current prepayments |
224,000
PLN
|
— |
189,000
PLN
|
— |
| Non-current prepayments and non-current accrued income including non-current contract assets [abstract] | ||||
| Trade and other current receivables [abstract] | ||||
| Current prepayments and current accrued income other than current contract assets [abstract] | ||||
| Current prepayments [abstract] | ||||
| Current advances to suppliers |
3 123
PLN
|
— |
9 722
PLN
|
— |
| Current prepaid expenses |
646,000
PLN
|
— |
1 126
PLN
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||
| Current accrued income including current contract assets [abstract] | ||||
| Current contract assets |
146 929
PLN
|
— |
111 893
PLN
|
— |
| Categories of current financial assets [abstract] | ||||
| Current loans and receivables |
10,000
PLN
|
— |
0
PLN
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
25 306
PLN
|
— |
30 353
PLN
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
23 487
PLN
|
30 378
PLN
|
30 378
PLN
|
81 723
PLN
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
3 340
PLN
|
— |
0
PLN
|
— |
| Miscellaneous assets [abstract] | ||||
| Restricted cash and cash equivalents |
3 759
PLN
|
— |
29,000
PLN
|
— |
| Classes of other provisions [abstract] | ||||
| Other provisions [abstract] | ||||
| Other non-current provisions |
15 086
PLN
|
— |
12 449
PLN
|
— |
| Other current provisions |
9 873
PLN
|
— |
15 942
PLN
|
— |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
4 443
PLN
|
— |
13 333
PLN
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings and current portion of non-current borrowings |
13 108
PLN
|
— |
15 983
PLN
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other non-current payables [abstract] | ||||
| Non-current retention payables |
18 821
PLN
|
— |
12 946
PLN
|
— |
| Trade and other current payables [abstract] | ||||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||
| Current deferred income including current contract liabilities [abstract] | ||||
| Current contract liabilities [abstract] | ||||
| Current advances received, representing current contract liabilities for performance obligations satisfied at point in time |
28 841
PLN
|
— |
27 890
PLN
|
— |
| Current contract liabilities |
3 659
PLN
|
— |
4 584
PLN
|
— |
| Accruals classified as current |
65 617
PLN
|
— |
61 422
PLN
|
— |
| Current retention payables |
19 393
PLN
|
— |
19 807
PLN
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
5 758
PLN
|
— |
5 758
PLN
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings |
57 589
PLN
|
— |
53 386
PLN
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
524 973
PLN
|
— |
554 637
PLN
|
— |
| Liabilities |
370 324
PLN
|
— |
404 196
PLN
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
356 434
PLN
|
— |
372 301
PLN
|
— |
| Current liabilities |
318 048
PLN
|
— |
350 878
PLN
|
— |
| Assets less current liabilities [abstract] |