Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||
| Equity | — | — |
552,300,000
NOK
|
— |
14,000,000
NOK
|
— | — |
32,700,000
NOK
|
8,600,000
NOK
|
500,000
NOK
|
497,500,000
NOK
|
— |
431,800,000
NOK
|
— | — | — | — |
46,300,000
NOK
|
0
NOK
|
32,700,000
NOK
|
1,300,000
NOK
|
354,100,000
NOK
|
— | — |
0
NOK
|
171,800,000
NOK
|
146,200,000
NOK
|
2,300,000
NOK
|
27,900,000
NOK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||
| Profit (loss) |
178,900,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,900,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
190,200,000
NOK
|
— | — |
12,100,000
NOK
|
— |
9,900,000
NOK
|
— | — | — | — | — |
192,500,000
NOK
|
— | — | — |
5,800,000
NOK
|
7,700,000
NOK
|
— | — | — | — | — |
1,000,000
NOK
|
12,500,000
NOK
|
— | — | — | — | — |
| Issue of equity |
600,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
600,000
NOK
|
— |
4,800,000
NOK
|
0
NOK
|
194,400,000
NOK
|
— | — | — | — | — | — |
0
NOK
|
189,700,000
NOK
|
— | — | — | — | — |
| Dividends recognised as distributions to owners |
24,600,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
24,600,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
2,100,000
NOK
|
— | — |
400,000
NOK
|
— | — | — | — | — | — | — |
1,700,000
NOK
|
— | — | — |
54,000,000
NOK
|
54,000,000
NOK
|
— | — | — | — | — |
0
NOK
|
— | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
8,400,000
NOK
|
— | — | — | — |
0
NOK
|
— | — | — | — | — |
8,400,000
NOK
|
— | — | — |
5,800,000
NOK
|
— | — | — | — | — | — |
0
NOK
|
5,800,000
NOK
|
— | — | — | — | — |
| Increase (decrease) in equity |
120,500,000
NOK
|
500,000
NOK
|
— |
32,300,000
NOK
|
— |
9,900,000
NOK
|
0
NOK
|
— | — | — | — |
143,400,000
NOK
|
— |
4,800,000
NOK
|
0
NOK
|
260,000,000
NOK
|
46,300,000
NOK
|
— | — | — | — | — |
1,000,000
NOK
|
208,000,000
NOK
|
— | — | — | — | — |