Statement Of Changes In Equity [Abstract]
| Concept |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 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 |
2023-01-01 to 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 2023-12-31 |
As at 2023-12-31 |
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 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||
| Equity |
77,814,000
ISK
|
— | — |
15,119,951,000
ISK
|
9,803,982,000
ISK
|
311,254,000
ISK
|
— | — |
6,834,403,000
ISK
|
— | — |
59,208,000
ISK
|
11,405,001,000
ISK
|
43,493,197,000
ISK
|
— |
35,842,355,000
ISK
|
14,828,910,000
ISK
|
4,565,998,000
ISK
|
— | — |
7,773,982,000
ISK
|
301,254,000
ISK
|
25,517,000
ISK
|
— |
8,322,414,000
ISK
|
75,314,000
ISK
|
76,875,000
ISK
|
34,460,103,000
ISK
|
4,701,950,000
ISK
|
8,900,637,000
ISK
|
13,460,578,000
ISK
|
307,500,000
ISK
|
15,976,000
ISK
|
7,028,539,000
ISK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — |
4,018,235,000
ISK
|
— | — |
4,018,235,000
ISK
|
— | — | — | — |
3,438,194,000
ISK
|
— | — | — |
3,438,194,000
ISK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — |
0
ISK
|
2,437,353,000
ISK
|
— |
2,403,662,000
ISK
|
33,691,000
ISK
|
— | — | — |
9,541,000
ISK
|
— | — | — |
0
ISK
|
0
ISK
|
— | — | — |
9,541,000
ISK
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — | — |
6,421,897,000
ISK
|
— | — | — | — |
3,428,653,000
ISK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
10,000,000
ISK
|
2,030,000,000
ISK
|
— | — | — | — | — | — |
2,040,000,000
ISK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — | — |
903,761,000
ISK
|
— | — |
903,761,000
ISK
|
— | — | — | — |
913,500,000
ISK
|
— | — | — |
913,500,000
ISK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — |
92,706,000
ISK
|
— | — |
92,706,000
ISK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |