Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 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 |
2022-01-01 to 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 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity | — | — |
149 880
SEK
|
120 885
SEK
|
26 844
SEK
|
— | — |
1 088
SEK
|
— |
1 063
SEK
|
126 180
SEK
|
— | — |
137 996
SEK
|
13 967
SEK
|
— |
1 088
SEK
|
1 063
SEK
|
— | — |
26 594
SEK
|
1 063
SEK
|
143 079
SEK
|
114 334
SEK
|
1 088
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) |
26 844
SEK
|
26 844
SEK
|
— | — | — |
SEK
|
SEK
|
— |
SEK
|
— | — |
SEK
|
13 967
SEK
|
— | — |
SEK
|
— | — |
13 967
SEK
|
SEK
|
— | — | — | — | — |
| Other comprehensive income |
9,000,000
SEK
|
SEK
|
— | — | — |
9,000,000
SEK
|
SEK
|
— |
SEK
|
— | — |
SEK
|
22,000,000
SEK
|
— | — |
22,000,000
SEK
|
— | — |
SEK
|
SEK
|
— | — | — | — | — |
| Comprehensive income |
26 835
SEK
|
26 844
SEK
|
— | — | — |
9,000,000
SEK
|
SEK
|
— |
SEK
|
— | — |
SEK
|
13 989
SEK
|
— | — |
22,000,000
SEK
|
— | — |
13 967
SEK
|
SEK
|
— | — | — | — | — |
| Dividends recognised as distributions to owners |
3 131
SEK
|
SEK
|
— | — | — |
3 131
SEK
|
SEK
|
— |
SEK
|
— | — |
SEK
|
2 915
SEK
|
— | — |
2 915
SEK
|
— | — |
–
SEK
|
SEK
|
— | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
4,000,000
SEK
|
SEK
|
— | — | — |
4,000,000
SEK
|
SEK
|
— |
SEK
|
— | — |
SEK
|
5,000,000
SEK
|
— | — |
5,000,000
SEK
|
— | — |
–
SEK
|
SEK
|
— | — | — | — | — |