Analysis Of Income And Expense [Abstract]

alstria office REIT-AG - Filing #6744351

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	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
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue from rendering of services	—	—	—	183,670 EUR	—	—	—	177,063 EUR	—	—
Material income and expense [abstract]
Gains (losses) on disposals of investment properties [abstract]
Gains (losses) on disposals of investment properties	—	—	—	15,134 EUR	—	—	—	8,340 EUR	—	—
Finance income (cost)	—	—	—	26,019 EUR	—	—	—	31,832 EUR	—	—
Expenses by nature [abstract]
Raw materials and consumables used	—	—	—	59,307 EUR	—	—	—	60,607 EUR	—	—
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	19,769 EUR	—	—	—	18,568 EUR	—	—
Other expenses, by nature	—	—	—	14,614 EUR	—	—	—	2,143 EUR	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	108,000 EUR	—	—	—	9,000 EUR	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	0 EUR	0 EUR	0 EUR	209,678 EUR	209,678 EUR	168,489 EUR	0 EUR	168,489 EUR	0 EUR	0 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	209,678 EUR	—	—	—	168,489 EUR	—	—