Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 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 |
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 |
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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||
| Equity | — |
1 743 703
SEK
|
— |
12 776
SEK
|
— | — | — |
762,000
SEK
|
8 133
SEK
|
1 743 703
SEK
|
— |
1 738 298
SEK
|
1 804 093
SEK
|
— | — | — |
90 797
SEK
|
758,000
SEK
|
2 400
SEK
|
1 804 093
SEK
|
1 710 139
SEK
|
— | — | — |
300 354
SEK
|
1 707 864
SEK
|
1 411 410
SEK
|
1 411 410
SEK
|
3 153
SEK
|
747,000
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||
| Profit (loss) |
536 333
SEK
|
— |
536 333
SEK
|
— |
536 333
SEK
|
0
SEK
|
0
SEK
|
— | — | — |
0
SEK
|
— | — |
0
SEK
|
535 230
SEK
|
535 230
SEK
|
— | — | — | — | — |
535 230
SEK
|
0
SEK
|
0
SEK
|
— | — | — | — | — | — |
| Other comprehensive income |
7 393
SEK
|
— |
7 393
SEK
|
— |
3 140
SEK
|
10 533
SEK
|
0
SEK
|
— | — | — |
0
SEK
|
— | — |
0
SEK
|
2 645
SEK
|
1 891
SEK
|
— | — | — | — | — |
2 645
SEK
|
753,000
SEK
|
0
SEK
|
— | — | — | — | — | — |
| Comprehensive income |
528 940
SEK
|
— |
528 940
SEK
|
— |
539 473
SEK
|
10 533
SEK
|
0
SEK
|
— | — | — |
0
SEK
|
— | — |
0
SEK
|
532 586
SEK
|
533 339
SEK
|
— | — | — | — | — |
532 586
SEK
|
753,000
SEK
|
0
SEK
|
— | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
35 529
SEK
|
— |
35 529
SEK
|
— |
35 529
SEK
|
0
SEK
|
0
SEK
|
— | — | — |
0
SEK
|
— | — |
0
SEK
|
28 574
SEK
|
28 574
SEK
|
— | — | — | — | — |
28 574
SEK
|
0
SEK
|
0
SEK
|
— | — | — | — | — | — |