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 exercise of options, equity | — |
128,000
NOK
|
— |
26,211,000
NOK
|
26,610,000
NOK
|
271,000
NOK
|
— | — |
7,922,000
NOK
|
— | — |
7,922,000
NOK
|
| Increase (decrease) through transactions with owners, equity |
97,000
NOK
|
128,000
NOK
|
0
NOK
|
26,211,000
NOK
|
26,708,000
NOK
|
271,000
NOK
|
0
NOK
|
2,461,000
NOK
|
322,626,000
NOK
|
0
NOK
|
0
NOK
|
320,165,000
NOK
|
| Sale or issue of treasury shares |
186,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — |