Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
As at 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 |
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 |
As at 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 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 |
40,386,000
NOK
|
384,426,000
NOK
|
— |
335,195,000
NOK
|
— |
8,846,000
NOK
|
— | — | — |
33,272,000
NOK
|
8,726,000
NOK
|
628,231,000
NOK
|
— | — |
670,229,000
NOK
|
— |
25,860,000
NOK
|
187,786,000
NOK
|
219,754,000
NOK
|
6,108,000
NOK
|
| Changes in equity [abstract] | ||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) | — | — |
309,364,000
NOK
|
— | — | — | — |
309,364,000
NOK
|
257,029,000
NOK
|
— | — | — | — | — | — |
257,029,000
NOK
|
— | — | — | — |
| Comprehensive income | — | — |
309,476,000
NOK
|
— |
0
NOK
|
— |
0
NOK
|
309,476,000
NOK
|
257,029,000
NOK
|
— | — | — |
0
NOK
|
0
NOK
|
— |
257,029,000
NOK
|
— | — | — | — |
| Issue of equity | — | — |
16,510,000
NOK
|
— |
120,000
NOK
|
— | — |
16,629,000
NOK
|
740,852,000
NOK
|
— | — | — | — |
2,618,000
NOK
|
— |
738,234,000
NOK
|
— | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — |
7,113,000
NOK
|
7,113,000
NOK
|
7,412,000
NOK
|
— | — | — |
7,412,000
NOK
|
— | — | — | — | — | — | — |