Statement Of Changes In Equity [Abstract]

Zealand Pharma - Filing #1440145

Concept	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	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	2018-01-01 to 2018-12-31	As at 2018-12-31	2018-01-01 to 2018-12-31	2018-01-01 to 2018-12-31	2018-01-01 to 2018-12-31	2018-01-01 to 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2017-12-31	As at 2017-12-31	As at 2017-12-31	As at 2017-12-31	As at 2017-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	2,290,253,000 DKK	39,800,000 DKK	—	8,977,000 DKK	3,470,787,000 DKK	—	1,229,311,000 DKK	—	—	1,242,673,000 DKK	—	36,055,000 DKK	0 DKK	—	2,650,142,000 DKK	1,242,673,000 DKK	0 DKK	1,443,524,000 DKK	—	36,055,000 DKK	—	2,650,142,000 DKK	—	1,443,524,000 DKK	1,116,281,000 DKK	1,957,477,000 DKK	0 DKK	1,957,477,000 DKK	871,983,000 DKK	—	1,116,281,000 DKK	—	—	—	—	30,787,000 DKK	871,983,000 DKK	30,787,000 DKK	0 DKK	30,751,000 DKK	0 DKK	1,937,179,000 DKK	514,669,000 DKK	1,453,261,000 DKK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	846,729,000 DKK	—	—	846,729,000 DKK	—	—	0 DKK	—	0 DKK	0 DKK	—	0 DKK	—	—	571,541,000 DKK	—	—	—	—	571,541,000 DKK	—	0 DKK	—	0 DKK	—	—	—	—	—	—	0 DKK	—	0 DKK	581,278,000 DKK	581,278,000 DKK	0 DKK	—	—	—	—	—	—	—	—	—
Other comprehensive income	8,977,000 DKK	—	—	0 DKK	—	—	0 DKK	—	8,977,000 DKK	0 DKK	—	0 DKK	—	—	0 DKK	—	—	—	—	0 DKK	—	0 DKK	—	0 DKK	—	—	—	—	—	—	0 DKK	—	0 DKK	0 DKK	0 DKK	0 DKK	—	—	—	—	—	—	—	—	—
Comprehensive income	837,752,000 DKK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	571,541,000 DKK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	581,278,000 DKK	—	—	—	—	—	—	—	—	—	—
Issue of equity	836,611,000 DKK	—	—	0 DKK	—	—	3,745,000 DKK	—	0 DKK	832,866,000 DKK	—	0 DKK	—	—	0 DKK	—	—	—	—	697,613,000 DKK	—	5,268,000 DKK	—	692,345,000 DKK	—	—	—	—	—	—	36,000 DKK	—	2,826,000 DKK	0 DKK	2,862,000 DKK	0 DKK	—	—	—	—	—	—	—	—	—