Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment |
790 071
SEK
|
— | — | — | — |
658 030
SEK
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
151 108
SEK
|
— | — | — | — |
111 023
SEK
|
— | — | — | — | — | — | — | — | — |
| Goodwill |
962 843
SEK
|
— | — | — | — |
626 453
SEK
|
— | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
152,000
SEK
|
— | — | — | — |
306,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
5 635
SEK
|
— | — | — | — |
2 796
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
3 574
SEK
|
— | — | — | — |
744,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
1 832 609
SEK
|
— | — | — | — |
1 325 474
SEK
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Trade and other current receivables |
803 171
SEK
|
— | — | — | — |
460 219
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
345 864
SEK
|
— | — | — | — |
366 993
SEK
|
— | — | — | — | — |
82 295
SEK
|
— | — | — |
| Current assets |
1 662 007
SEK
|
— | — | — | — |
1 160 924
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets |
3 494 616
SEK
|
— | — | — | — |
2 486 398
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
36 559
SEK
|
— | — | — | — |
36 559
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
1 158 416
SEK
|
— | — | — | — |
888 815
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
31 443
SEK
|
— | — | — | — |
11 078
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1 340 937
SEK
|
1 158 416
SEK
|
114 519
SEK
|
31 443
SEK
|
36 559
SEK
|
1 050 971
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
1 340 937
SEK
|
1 158 416
SEK
|
114 519
SEK
|
31 443
SEK
|
36 559
SEK
|
1 050 971
SEK
|
36 559
SEK
|
888 815
SEK
|
11 078
SEK
|
114 519
SEK
|
693 682
SEK
|
799 883
SEK
|
24 974
SEK
|
45 993
SEK
|
35 234
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Other non-current provisions |
6 855
SEK
|
— | — | — | — |
4 142
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
102 309
SEK
|
— | — | — | — |
85 521
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities |
846 977
SEK
|
— | — | — | — |
790 641
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current provisions [abstract] | |||||||||||||||
| Other current provisions |
4 846
SEK
|
— | — | — | — |
3 327
SEK
|
— | — | — | — | — | — | — | — | — |
| Trade and other current payables |
863 646
SEK
|
— | — | — | — |
546 575
SEK
|
— | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
45 830
SEK
|
— | — | — | — |
37 361
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
1 306 702
SEK
|
— | — | — | — |
644 786
SEK
|
— | — | — | — | — | — | — | — | — |
| Liabilities |
2 153 679
SEK
|
— | — | — | — |
1 435 427
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
3 494 616
SEK
|
— | — | — | — |
2 486 398
SEK
|
— | — | — | — | — | — | — | — | — |