Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 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 |
19 450
SEK
|
599,000
SEK
|
— | — |
29 444
SEK
|
29 444
SEK
|
32 787
SEK
|
15 508
SEK
|
— | — |
28 661
SEK
|
— |
44,000
SEK
|
19 678
SEK
|
15 508
SEK
|
— |
32 787
SEK
|
— |
19 678
SEK
|
— |
453,000
SEK
|
8 754
SEK
|
32 787
SEK
|
39 994
SEK
|
15 508
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — | — | — |
9 211
SEK
|
— | — | — | — |
9 211
SEK
|
9 211
SEK
|
— |
11 332
SEK
|
— | — | — |
11 332
SEK
|
— | — | — |
11 332
SEK
|
— | — | — | — | — |
| Other comprehensive income | — | — |
555,000
SEK
|
555,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
408,000
SEK
|
— |
408,000
SEK
|
— | — | — | — | — |
| Comprehensive income | — | — |
555,000
SEK
|
9 766
SEK
|
— | — | — | — | — |
9 211
SEK
|
— | — | — | — | — |
11 332
SEK
|
— |
408,000
SEK
|
— |
10 924
SEK
|
— | — | — | — | — |