Statement Of Changes In Equity [Abstract]

Oberbank AG - Filing #1080304

Concept	2021-01-01 to 2021-12-31	As at 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	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	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	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	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	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	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	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	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	—	1.844.816 EUR	505,523 EUR	50,000 EUR	697,093 EUR	—	—	3.317.861 EUR	—	156,878 EUR	161,000 EUR	6,905 EUR	—	—	—	41,432 EUR	—	3.260.068 EUR	7,793 EUR	—	1,927 EUR	105,863 EUR	—	—	—	1.717.804 EUR	7,651 EUR	—	505,523 EUR	2.981.215 EUR	105,381 EUR	593,474 EUR	—	—	—	6,128 EUR	54,292 EUR	50,000 EUR	—	5,663 EUR	112,620 EUR	—	3.038.866 EUR	—	—	242,000 EUR	—	—	2.901.840 EUR	8,697 EUR	50,000 EUR	48,552 EUR	1,365 EUR	505,523 EUR	2.960.537 EUR	126,729 EUR	1.605.472 EUR	1,414 EUR	9,522 EUR	616,297 EUR	105,844 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	1,199 EUR	—	—	—	—	89,942 EUR	233,449 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	234,648 EUR	143,507 EUR	123,513 EUR	—	—	—	—	—	—	—	—	133,308 EUR	—	—	—	—	10,914 EUR	—	—	—	—	—	1,119 EUR	—	—	122,394 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	13,475 EUR	61,215 EUR	—	13,033 EUR	—	—	—	12,860 EUR	3,736 EUR	44,258 EUR	—	81,000 EUR	—	—	—	—	—	61,215 EUR	—	16,011 EUR	—	—	5,740 EUR	—	—	—	—	14,109 EUR	—	1,172 EUR	—	—	—	6,342 EUR	—	—	—	—	4,298 EUR	—	—	15,650 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	1,199 EUR	—	—	—	—	103,417 EUR	294,664 EUR	—	13,033 EUR	—	—	—	12,860 EUR	3,736 EUR	44,258 EUR	—	81,000 EUR	—	—	—	—	—	295,863 EUR	143,507 EUR	107,502 EUR	—	—	5,740 EUR	—	—	—	—	14,109 EUR	133,308 EUR	1,172 EUR	—	—	—	17,256 EUR	—	—	—	—	4,298 EUR	1,119 EUR	—	15,650 EUR	106,383 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	—	—	—	—	26,409 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	26,409 EUR	26,409 EUR	6,326 EUR	—	—	—	—	—	—	—	—	6,326 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	6,326 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	1,057 EUR	—	—	—	—	202,000 EUR	251,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	806,000 EUR	49,000 EUR	7,236 EUR	—	—	—	—	—	—	—	—	496,000 EUR	—	—	—	—	5,567 EUR	—	—	—	—	—	2,165 EUR	—	—	5,071 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	—	—	—	—	—	13,272 EUR	—	—	—	—	—	—	—	—	—	—	—	—	482,000 EUR	—	—	13,272 EUR	12,790 EUR	12,684 EUR	—	—	—	—	—	—	—	—	12,221 EUR	—	—	—	—	—	—	—	463,000 EUR	—	—	—	—	—	12,684 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—