Corporate Information And Statement Of Ifrs Compliance [Abstract]

SSH Communications Security - Filing #2196744

Concept	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31
Corporate information and statement of IFRS compliance [abstract]
Name of reporting entity or other means of identification	—	SSH Communications S	—
Domicile of entity	—	Helsinki	—
Legal form of entity	—	Public limited c	—
Country of incorporation	—	Finland	—
Address of entity's registered office	—	Karvaamokuja 2 B,	—
Principal place of business	—	Finland	—
Description of nature of entity's operations and principal activities	—	Computer program	—
Name of parent entity	—	SSH Communications S	—
Name of ultimate parent of group	—	SSH Communications S	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [text block]	—	—	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [abstract]
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]
Current inventories	36 196 EUR	—	33 406 EUR
Current trade receivables	4 253 848 EUR	—	2 961 250 EUR