Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
As at 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 |
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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 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 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity | — |
53,000
NOK
|
183,365,000
NOK
|
— | — |
393,692,000
NOK
|
— | — |
393,692,000
NOK
|
172,776,000
NOK
|
— |
10,283,000
NOK
|
27,322,000
NOK
|
-
NOK
|
— | — | — |
175,044,000
NOK
|
-
NOK
|
— |
26,967,000
NOK
|
380,184,000
NOK
|
— |
59,000
NOK
|
16,212,000
NOK
|
162,021,000
NOK
|
380,184,000
NOK
|
— | — | — | — | — |
371,644,000
NOK
|
-
NOK
|
8,320,000
NOK
|
371,644,000
NOK
|
156,911,000
NOK
|
179,741,000
NOK
|
293,000
NOK
|
26,967,000
NOK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
0
NOK
|
— | — |
0
NOK
|
48,495,000
NOK
|
— |
0
NOK
|
0
NOK
|
— | — |
0
NOK
|
— | — | — |
48,495,000
NOK
|
48,495,000
NOK
|
36,749,000
NOK
|
— | — |
0
NOK
|
— | — |
36,749,000
NOK
|
— | — | — | — |
0
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
36,749,000
NOK
|
— | — | — | — | — | — | — | — |
| Other comprehensive income |
0
NOK
|
— | — |
0
NOK
|
5,929,000
NOK
|
— |
0
NOK
|
5,929,000
NOK
|
— | — |
0
NOK
|
— | — | — |
5,929,000
NOK
|
0
NOK
|
7,892,000
NOK
|
— | — |
0
NOK
|
— | — |
0
NOK
|
— | — | — | — |
0
NOK
|
7,892,000
NOK
|
0
NOK
|
0
NOK
|
7,892,000
NOK
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
42,566,000
NOK
|
— |
44,641,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity |
0
NOK
|
— | — |
0
NOK
|
10,999,000
NOK
|
— |
10,644,000
NOK
|
0
NOK
|
— | — |
355,000
NOK
|
— | — | — |
10,999,000
NOK
|
0
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
0
NOK
|
— | — |
0
NOK
|
43,052,000
NOK
|
— |
0
NOK
|
0
NOK
|
— | — |
0
NOK
|
— | — | — |
43,052,000
NOK
|
43,052,000
NOK
|
42,677,000
NOK
|
— | — |
0
NOK
|
— | — |
42,677,000
NOK
|
— | — | — | — |
0
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
42,677,000
NOK
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
0
NOK
|
— | — |
0
NOK
|
2,878,000
NOK
|
— |
0
NOK
|
0
NOK
|
— | — |
0
NOK
|
— | — | — |
2,878,000
NOK
|
2,878,000
NOK
|
1,232,000
NOK
|
— | — |
0
NOK
|
— | — |
1,232,000
NOK
|
— | — | — | — |
0
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
1,232,000
NOK
|
— | — | — | — | — | — | — | — |