Statement Of Changes In Equity [Abstract]

Bavarian Nordic - Filing #1440137

Concept	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	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through exercise of warrants, equity	17,514,000 DKK	1,498,000 DKK	15,564,000 DKK	- DKK	- DKK	3,448,000 DKK	- DKK	- DKK	785,000 DKK	11,814,000 DKK	10,315,000 DKK	2,284,000 DKK	- DKK	- DKK
Increase (decrease) through transactions with owners, equity	2,508,831,000 DKK	260,610,000 DKK	2,757,555,000 DKK	- DKK	- DKK	11,493,000 DKK	393,000 DKK	- DKK	785,000 DKK	9,662,000 DKK	29,109,000 DKK	18,839,000 DKK	- DKK	177,000 DKK
Purchase of treasury shares	10,575,000 DKK	- DKK	11,099,000 DKK	- DKK	- DKK	- DKK	524,000 DKK	- DKK	- DKK	4,288,000 DKK	4,576,000 DKK	- DKK	- DKK	288,000 DKK
Sale or issue of treasury shares	2,664,000 DKK	- DKK	2,664,000 DKK	- DKK	- DKK	- DKK	- DKK	—	—	—	—	—	—	—
Share issue related cost	103,184,000 DKK	- DKK	103,184,000 DKK	- DKK	- DKK	- DKK	- DKK	- DKK	- DKK	2,219,000 DKK	2,219,000 DKK	- DKK	- DKK	- DKK