Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity |
605 089
SEK
|
— | — | — |
603 892
SEK
|
14 750
SEK
|
1 504
SEK
|
1 192 727
SEK
|
— | — |
561 979
SEK
|
1 192 727
SEK
|
646 528
SEK
|
— | — |
183,000
SEK
|
15 597
SEK
|
— | — | — |
515 441
SEK
|
1 192 727
SEK
|
15 597
SEK
|
267,000
SEK
|
692 616
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — |
-
SEK
|
54 016
SEK
|
54 016
SEK
|
— | — | — | — |
-
SEK
|
-
SEK
|
— | — | — |
-
SEK
|
-
SEK
|
— | — |
-
SEK
|
13 124
SEK
|
13 124
SEK
|
— | — | — | — | — |
| Other comprehensive income | — | — |
1 321
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
450,000
SEK
|
— | — | — | — | — | — |
| Comprehensive income | — |
-
SEK
|
55 337
SEK
|
54 016
SEK
|
— | — | — | — |
1 321
SEK
|
-
SEK
|
— | — | — |
450,000
SEK
|
-
SEK
|
— | — |
-
SEK
|
12 674
SEK
|
13 124
SEK
|
— | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
847,000
SEK
|
-
SEK
|
847,000
SEK
|
— | — | — | — |
-
SEK
|
-
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
SEK
|
1 561
SEK
|
1 561
SEK
|
— | — | — | — |
-
SEK
|
-
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |