Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
2021-01-01 to 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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 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 |
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 2019-12-31 |
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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity |
1 344 494
SEK
|
1 563 670
SEK
|
5 490
SEK
|
40 909
SEK
|
0
SEK
|
265 704
SEK
|
— | — | — | — |
129,000
SEK
|
— | — | — | — |
1 203 823
SEK
|
1 557 639
SEK
|
— | — | — |
894,000
SEK
|
— |
5 352
SEK
|
40 625
SEK
|
0
SEK
|
— |
398 899
SEK
|
— |
60,000
SEK
|
1 191 775
SEK
|
124 309
SEK
|
1 103 884
SEK
|
3 552
SEK
|
32 826
SEK
|
100,000
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — |
85 531
SEK
|
85 531
SEK
|
101 412
SEK
|
— | — |
101 412
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — |
1 023
SEK
|
— |
834,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — |
0
SEK
|
1 023
SEK
|
0
SEK
|
0
SEK
|
— |
0
SEK
|
84 508
SEK
|
85 531
SEK
|
102 246
SEK
|
— | — |
101 412
SEK
|
0
SEK
|
0
SEK
|
— |
0
SEK
|
— | — | — |
0
SEK
|
— |
834,000
SEK
|
— | — | — | — | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
378 000
SEK
|
— | — | — | — |
6 563
SEK
|
— | — | — | — | — |
371 437
SEK
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — | — | — |
138,000
SEK
|
— | — | — | — | — |
0
SEK
|
138,000
SEK
|
0
SEK
|
— | — |
1 800
SEK
|
1 800
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — | — | — | — | — | — | — |
7 365
SEK
|
7 365
SEK
|
3 729
SEK
|
— | — |
3 729
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |