Statement Of Changes In Equity [Abstract]
| Concept |
As at 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 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||
| Equity |
71 507
SEK
|
202 386
SEK
|
295 735
SEK
|
— |
16 988
SEK
|
4 854
SEK
|
— | — |
58 914
SEK
|
— |
202 403
SEK
|
4 854
SEK
|
— |
3 133
SEK
|
269 305
SEK
|
— |
19 474
SEK
|
201 662
SEK
|
332 870
SEK
|
106 880
SEK
|
4 854
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — |
23 272
SEK
|
23 272
SEK
|
— |
47 966
SEK
|
— | — |
47 966
SEK
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — |
13 854
SEK
|
— | — |
13 854
SEK
|
— | — |
16 341
SEK
|
— | — | — | — | — |
16 341
SEK
|
— | — | — | — | — |
| Comprehensive income | — | — | — |
13 854
SEK
|
— | — |
37 126
SEK
|
23 272
SEK
|
— |
64 306
SEK
|
— | — |
47 966
SEK
|
— | — |
16 341
SEK
|
— | — | — | — | — |