Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2020-01-01 to 2020-12-31 |
As at 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 |
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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||
| Equity |
896,264,000
NOK
|
5,089,557,000
NOK
|
— | — |
5,802,356,000
NOK
|
— |
181,994,000
NOK
|
1,471,000
NOK
|
— | — | — |
839,718,000
NOK
|
21,015,000
NOK
|
21,015,000
NOK
|
1,355,000
NOK
|
— |
-
NOK
|
259,748,000
NOK
|
4,882,513,000
NOK
|
— |
4,303,897,000
NOK
|
— | — |
-
NOK
|
-
NOK
|
125,374,000
NOK
|
2,725,406,000
NOK
|
2,340,149,000
NOK
|
511,713,000
NOK
|
1,081,000
NOK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
-
NOK
|
-
NOK
|
— |
-
NOK
|
— | — |
77,561,000
NOK
|
77,561,000
NOK
|
328,006,000
NOK
|
— | — | — | — |
328,006,000
NOK
|
— | — | — |
-
NOK
|
— |
-
NOK
|
-
NOK
|
— | — | — | — | — | — | — |
| Other comprehensive income | — | — |
-
NOK
|
77,753,000
NOK
|
— |
-
NOK
|
— | — |
77,753,000
NOK
|
-
NOK
|
134,373,000
NOK
|
— | — | — | — |
-
NOK
|
— | — | — |
-
NOK
|
— |
134,373,000
NOK
|
-
NOK
|
— | — | — | — | — | — | — |
| Comprehensive income | — | — |
-
NOK
|
77,753,000
NOK
|
— |
-
NOK
|
— | — |
155,314,000
NOK
|
77,561,000
NOK
|
193,632,000
NOK
|
— | — | — | — |
328,006,000
NOK
|
— | — | — |
-
NOK
|
— |
134,373,000
NOK
|
-
NOK
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
134,505,000
NOK
|
-
NOK
|
— |
-
NOK
|
— | — |
134,505,000
NOK
|
-
NOK
|
30,704,000
NOK
|
— | — | — | — |
-
NOK
|
— | — | — |
-
NOK
|
— |
-
NOK
|
30,704,000
NOK
|
— | — | — | — | — | — | — |