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 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 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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
248,115,000
SEK
|
— | — | — | — | — |
243,864,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
102,324,000
SEK
|
— | — | — | — | — |
91,433,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
454,475,000
SEK
|
— | — | — | — | — |
463,173,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
1,404,000
SEK
|
— | — | — | — | — |
4,916,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
100,763,000
SEK
|
— | — | — | — | — |
103,371,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
135,280,000
SEK
|
— | — | — | — | — |
110,118,000
SEK
|
— | — | — | — | — | — | — | — |
99,716,000
SEK
|
— | — |
| Assets |
1,444,566,000
SEK
|
— | — | — | — | — |
1,393,513,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
236,549,000
SEK
|
— | — | — | — | — |
236,549,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
609,751,000
SEK
|
— | — | — | — | — |
631,663,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
18,366,000
SEK
|
— | — | — | — | — |
10,544,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
442,009,000
SEK
|
— | — | — | — | — |
412,275,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
2,032,000
SEK
|
— | — | — | — | — |
406,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
439,977,000
SEK
|
609,751,000
SEK
|
18,366,000
SEK
|
796,845,000
SEK
|
2,032,000
SEK
|
236,549,000
SEK
|
411,869,000
SEK
|
236,549,000
SEK
|
631,663,000
SEK
|
406,000
SEK
|
796,845,000
SEK
|
10,544,000
SEK
|
557,435,000
SEK
|
76,000
SEK
|
52,636,000
SEK
|
528,671,000
SEK
|
796,845,000
SEK
|
236,549,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities |
8,558,000
SEK
|
— | — | — | — | — |
8,337,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
1,444,566,000
SEK
|
— | — | — | — | — |
1,393,513,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |