Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||
| Equity | — | — | — |
127 673
SEK
|
531,000
SEK
|
19 017
SEK
|
205 321
SEK
|
58 100
SEK
|
— | — | — |
75 595
SEK
|
58 100
SEK
|
— | — |
135 066
SEK
|
— |
840,000
SEK
|
531,000
SEK
|
— | — | — |
52 419
SEK
|
58 100
SEK
|
110 840
SEK
|
531,000
SEK
|
210,000
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||
| Profit (loss) | — |
67 821
SEK
|
67 821
SEK
|
— | — | — | — | — |
67 821
SEK
|
— | — | — | — |
58 691
SEK
|
— | — | — | — | — | — |
58 691
SEK
|
58 691
SEK
|
— | — | — | — | — |
| Other comprehensive income | — |
16 508
SEK
|
— | — | — | — | — | — |
16 508
SEK
|
16 508
SEK
|
— | — | — |
1 050
SEK
|
1 050
SEK
|
— | — | — | — | — |
1 050
SEK
|
— | — | — | — | — | — |
| Comprehensive income |
0
SEK
|
84 329
SEK
|
67 821
SEK
|
— | — | — | — | — |
84 329
SEK
|
16 508
SEK
|
0
SEK
|
— | — |
59 741
SEK
|
1 050
SEK
|
— |
-
SEK
|
— | — |
-
SEK
|
59 741
SEK
|
58 691
SEK
|
— | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
18 794
SEK
|
— | — | — | — | — |
18 794
SEK
|
— | — | — | — |
2 307
SEK
|
— | — | — | — | — | — | — |
2 307
SEK
|
— | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — | — | — |
1 669
SEK
|
1 669
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |