Statement Of Changes In Equity [Abstract]

SP Group - Filing #1415551

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	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	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]
Dividends recognised as distributions to owners of parent	0 DKK	0 DKK	0 DKK	0 DKK	61,311 DKK	61,311 DKK	61,311 DKK	0 DKK	—	—	—	—	—	—	—	—
Increase (decrease) through exercise of warrants, equity	0 DKK	0 DKK	608,000 DKK	0 DKK	0 DKK	0 DKK	0 DKK	608,000 DKK	350,000 DKK	0 DKK	0 DKK	0 DKK	0 DKK	0 DKK	350,000 DKK	0 DKK
Purchase of treasury shares	0 DKK	111,619 DKK	0 DKK	0 DKK	111,619 DKK	0 DKK	111,619 DKK	0 DKK	0 DKK	0 DKK	45,602 DKK	0 DKK	0 DKK	45,602 DKK	0 DKK	45,602 DKK
Sale or issue of treasury shares	0 DKK	60,545 DKK	0 DKK	0 DKK	66,868 DKK	0 DKK	66,868 DKK	6,323 DKK	7,270 DKK	0 DKK	30,467 DKK	0 DKK	0 DKK	30,467 DKK	0 DKK	37,737 DKK