Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
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 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity | — |
622 159
SEK
|
593 656
SEK
|
— | — | — |
14 362
SEK
|
1 010
SEK
|
— |
1 200 443
SEK
|
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
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) |
60 102
SEK
|
— | — |
60 102
SEK
|
-
SEK
|
-
SEK
|
— | — |
-
SEK
|
— | — |
-
SEK
|
54 016
SEK
|
54 016
SEK
|
— | — | — | — |
-
SEK
|
-
SEK
|
— | — | — | — | — |
| Other comprehensive income |
494,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
1 321
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
59 608
SEK
|
— | — |
60 102
SEK
|
494,000
SEK
|
-
SEK
|
— | — |
-
SEK
|
— | — |
-
SEK
|
55 337
SEK
|
54 016
SEK
|
— | — | — | — |
1 321
SEK
|
-
SEK
|
— | — | — | — | — |
| Increase (decrease) through other changes, equity |
-
SEK
|
— | — |
511,000
SEK
|
-
SEK
|
511,000
SEK
|
— | — |
-
SEK
|
— | — |
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
|
— | — | — | — | — |