Statement Of Changes In Equity [Abstract]

Sogn Sparebank - Filing #2613820

Concept	2021-01-01 to 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	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	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	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	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	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	As at 2021-12-31	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	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 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 2020-12-31	2020-01-01 to 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	As at 2020-12-31	2020-01-01 to 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	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 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	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	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	—	—	—	31,625 NOK	—	32,812 NOK	673,000 NOK	—	54,068 NOK	32,812 NOK	34,778 NOK	—	—	37,855 NOK	—	—	673,000 NOK	—	746,992 NOK	—	54,785 NOK	—	—	40,000 NOK	34,778 NOK	36,244 NOK	—	—	40,000 NOK	745,077 NOK	—	4,230 NOK	31,625 NOK	—	—	0 NOK	980,787 NOK	—	—	975,542 NOK	673,000 NOK	—	—	—	—	—	—	—	—	—	49,386 NOK	32,978 NOK	—	40,000 NOK	710,655 NOK	—	—	28,909 NOK	—	708,441 NOK	—	—	40,000 NOK	48,669 NOK	—	—	32,978 NOK	31,120 NOK	—	—	673,000 NOK	32,812 NOK	929,711 NOK	4,024 NOK	31,625 NOK	0 NOK	—	924,971 NOK	31,625 NOK	32,812 NOK	31,625 NOK	32,812 NOK	3,830 NOK	905,894 NOK	0 NOK	32,812 NOK	673,000 NOK	31,625 NOK	40,000 NOK	44,954 NOK	686,653 NOK	33,823 NOK	40,000 NOK	685,127 NOK	44,352 NOK	32,874 NOK	32,874 NOK	36,034 NOK	673,000 NOK	902,152 NOK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	—	—	—	—	—	—	—	—	9,675 NOK	4,400 NOK	—	—	52,170 NOK	—	9,675 NOK	—	4,400 NOK	—	—	37,890 NOK	—	—	—	—	—	—	—	38,189 NOK	—	—	206,000 NOK	—	—	—	—	52,264 NOK	—	—	194,000 NOK	—	—	—	—	—	—	—	4,723 NOK	—	—	2,600 NOK	—	—	25,749 NOK	33,267 NOK	—	—	—	25,060 NOK	—	—	—	4,608 NOK	2,600 NOK	—	—	—	32,268 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	7,335 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6,735 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4,914 NOK	—	—	—	—	—	—	—	—	—	—	—	—	4,914 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	0 NOK	0 NOK	0 NOK	—	0 NOK	—	—	0 NOK	—	—	—	9,675 NOK	4,400 NOK	—	6,735 NOK	59,505 NOK	—	9,675 NOK	—	4,400 NOK	—	0 NOK	37,890 NOK	—	—	—	7,335 NOK	0 NOK	—	—	38,189 NOK	—	—	206,000 NOK	0 NOK	—	—	0 NOK	58,999 NOK	—	—	194,000 NOK	0 NOK	0 NOK	0 NOK	0 NOK	0 NOK	0 NOK	0 NOK	4,723 NOK	—	—	2,600 NOK	—	—	25,749 NOK	28,352 NOK	—	4,914 NOK	—	25,060 NOK	0 NOK	—	—	4,608 NOK	2,600 NOK	—	—	4,914 NOK	27,354 NOK	—	—	—	—	—	—	0 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	—	—	—	—	—	—	—	—	—	4,024 NOK	—	—	—	4,024 NOK	—	4,024 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4,024 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—