Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
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 |
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 |
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 |
As at 2020-12-31 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||
| Equity |
311,000
NOK
|
80,496,000
NOK
|
411,045,000
NOK
|
— |
502,633,000
NOK
|
— | — |
2,084,000
NOK
|
13,487,000
NOK
|
— | — | — | — |
111,121,000
NOK
|
384,834,000
NOK
|
— |
13,359,000
NOK
|
— |
408,000
NOK
|
773,000
NOK
|
— | — |
508,132,000
NOK
|
— |
92,000
NOK
|
64,669,000
NOK
|
208,590,000
NOK
|
133,524,000
NOK
|
408,000
NOK
|
10,898,000
NOK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — |
30,897,000
NOK
|
30,897,000
NOK
|
22,403,000
NOK
|
— | — | — | — |
22,403,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
0
NOK
|
— |
1,311,000
NOK
|
0
NOK
|
— | — |
0
NOK
|
32,208,000
NOK
|
30,896,000
NOK
|
23,084,000
NOK
|
— | — |
0
NOK
|
— |
22,403,000
NOK
|
— | — |
0
NOK
|
0
NOK
|
— |
681,000
NOK
|
— | — | — | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — |
0
NOK
|
— |
314,704,000
NOK
|
— | — | — | — | — | — | — |
312,243,000
NOK
|
2,461,000
NOK
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — |
89,000
NOK
|
— | — | — | — | — | — |
89,000
NOK
|
— |
0
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |