Statement Of Changes In Equity [Abstract]
| Concept |
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 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 |
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 |
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 | — |
957 176
SEK
|
— |
114 251
SEK
|
61 069
SEK
|
— | — |
163 965
SEK
|
— |
617 891
SEK
|
732 202
SEK
|
— | — | — |
68 906
SEK
|
162 511
SEK
|
110 972
SEK
|
389 813
SEK
|
— |
268 037
SEK
|
27 483
SEK
|
390 377
SEK
|
796 869
SEK
|
110 972
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||
| Profit (loss) |
48 260
SEK
|
— | — | — | — |
48 260
SEK
|
— | — | — | — | — | — |
4 798
SEK
|
4 798
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
7 837
SEK
|
— |
7 837
SEK
|
— | — | — | — | — | — | — | — |
41 423
SEK
|
41 423
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
56 097
SEK
|
— |
7 837
SEK
|
— | — |
48 260
SEK
|
— | — | — | — | — |
41 423
SEK
|
46 221
SEK
|
4 798
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Issue of equity |
280 575
SEK
|
— | — | — | — | — |
52 993
SEK
|
— |
227 582
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — | — | — | — | — | — | — | — |
110 324
SEK
|
110 324
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
509,000
SEK
|
— | — | — | — | — | — | — |
509,000
SEK
|
— | — | — |
377,000
SEK
|
— | — | — | — | — |
377,000
SEK
|
— | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
13,000
SEK
|
— | — | — | — | — | — | — |
13,000
SEK
|
— | — | — |
941,000
SEK
|
— | — | — | — | — |
941,000
SEK
|
— | — | — | — | — |