Statement Of Changes In Equity [Abstract]

Itera - Filing #2613653

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]
Purchase of treasury shares	- NOK	518,000 NOK	- NOK	- NOK	23 005 NOK	23 522 NOK	478,000 NOK	- NOK	18 242 NOK	- NOK	- NOK	17 764 NOK
Sale or issue of treasury shares	- NOK	223,000 NOK	- NOK	- NOK	8 205 NOK	8 427 NOK	172,000 NOK	- NOK	5 689 NOK	- NOK	- NOK	5 517 NOK