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 |
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 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||
| Equity |
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
|
— | — | — |
561 612
SEK
|
702 511
SEK
|
145 933
SEK
|
353,000
SEK
|
4 682
SEK
|
145 933
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
535 230
SEK
|
535 230
SEK
|
— | — | — | — | — |
535 230
SEK
|
— | — | — | — |
258 310
SEK
|
— | — | — | — | — | — | — |
258 310
SEK
|
258 310
SEK
|
— | — | — | — | — | — |
| Other comprehensive income | — | — |
2 645
SEK
|
1 891
SEK
|
— | — | — | — | — |
2 645
SEK
|
753,000
SEK
|
— | — | — |
1 618
SEK
|
— |
1 529
SEK
|
— | — | — | — | — |
1 618
SEK
|
89,000
SEK
|
— | — | — | — | — | — |
| Comprehensive income | — |
–
SEK
|
532 586
SEK
|
533 339
SEK
|
— | — | — | — | — |
532 586
SEK
|
753,000
SEK
|
–
SEK
|
— | — |
256 692
SEK
|
— |
1 529
SEK
|
— |
–
SEK
|
— | — |
–
SEK
|
256 692
SEK
|
258 221
SEK
|
— | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
28 574
SEK
|
28 574
SEK
|
— | — | — | — | — |
28 574
SEK
|
— | — | — | — |
3 365
SEK
|
— | — | — | — | — | — | — |
3 365
SEK
|
3 365
SEK
|
— | — | — | — | — | — |