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 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||
| Equity |
379 107
SEK
|
— | — | — | — |
811,000
SEK
|
358 296
SEK
|
20 000
SEK
|
337 241
SEK
|
2 525
SEK
|
— |
354 716
SEK
|
— |
20 000
SEK
|
— | — |
313 455
SEK
|
20 000
SEK
|
3 619
SEK
|
329 836
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) | — |
–
SEK
|
–
SEK
|
33 055
SEK
|
33 055
SEK
|
— | — | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
35 786
SEK
|
35 786
SEK
|
— | — | — | — |
| Other comprehensive income | — |
–
SEK
|
3 336
SEK
|
3 336
SEK
|
–
SEK
|
— | — | — | — | — |
1 094
SEK
|
— |
–
SEK
|
— |
1 094
SEK
|
–
SEK
|
— | — | — | — |
| Comprehensive income | — |
–
SEK
|
3 336
SEK
|
36 391
SEK
|
33 055
SEK
|
— | — | — | — | — |
1 094
SEK
|
— |
–
SEK
|
— |
36 880
SEK
|
35 786
SEK
|
— | — | — | — |
| Dividends recognised as distributions to owners | — |
–
SEK
|
–
SEK
|
12 000
SEK
|
12 000
SEK
|
— | — | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
12 000
SEK
|
12 000
SEK
|
— | — | — | — |