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 |
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 |
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 |
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 |
935 138
SEK
|
— | — | — | — |
27 465
SEK
|
395 579
SEK
|
44 155
SEK
|
935 138
SEK
|
467 940
SEK
|
— | — |
230 082
SEK
|
7 254
SEK
|
2 974
SEK
|
— | — |
266 810
SEK
|
266 810
SEK
|
— |
26 500
SEK
|
— | — | — |
197 598
SEK
|
990,000
SEK
|
227 467
SEK
|
26 500
SEK
|
2 379
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||
| Profit (loss) | — |
–
SEK
|
–
SEK
|
165 497
SEK
|
165 497
SEK
|
— | — | — | — | — |
165 497
SEK
|
–
SEK
|
— | — | — |
–
SEK
|
58 632
SEK
|
— | — |
–
SEK
|
— |
–
SEK
|
58 632
SEK
|
58 632
SEK
|
— | — | — | — | — |
| Other comprehensive income | — |
–
SEK
|
20 212
SEK
|
— |
–
SEK
|
— | — | — | — | — |
20 212
SEK
|
–
SEK
|
— | — | — |
4 875
SEK
|
4 875
SEK
|
— | — | — | — | — | — |
–
SEK
|
— | — | — | — | — |
| Comprehensive income | — |
–
SEK
|
20 212
SEK
|
185 709
SEK
|
165 497
SEK
|
— | — | — | — | — |
185 709
SEK
|
–
SEK
|
— | — | — |
4 875
SEK
|
63 507
SEK
|
— | — |
–
SEK
|
— |
–
SEK
|
63 507
SEK
|
58 632
SEK
|
— | — | — | — | — |
| Issue of equity | — |
17 655
SEK
|
–
SEK
|
— |
–
SEK
|
— | — | — | — | — |
482 620
SEK
|
464 965
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |