Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Increase (decrease) through acquisition of subsidiary, equity |
-
NOK
|
14 174
NOK
|
-
NOK
|
-
NOK
|
14 174
NOK
|
14 174
NOK
|
28 593
NOK
|
-
NOK
|
28 593
NOK
|
28 593
NOK
|
-
NOK
|
-
NOK
|
| Purchase of treasury shares |
-
NOK
|
8 390
NOK
|
92,000
NOK
|
— |
8 482
NOK
|
8 482
NOK
|
— | — | — | — | — | — |
| Share issue related cost |
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
17 539
NOK
|
-
NOK
|
17 539
NOK
|
17 539
NOK
|
-
NOK
|
-
NOK
|