Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||
| Profit (loss) | — |
7,659,000
EUR
|
9,519,000
EUR
|
1,859,000
EUR
|
1,004,000
EUR
|
— |
19,091,000
EUR
|
20,095,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||
| Adjustments for income tax expense | — |
6,110,000
EUR
|
— | — | — | — |
5,130,000
EUR
|
— | — |
| Other adjustments for non-cash items | — |
121,000
EUR
|
— | — | — | — |
45,000
EUR
|
— | — |
| Interest received, classified as operating activities | — |
714,000
EUR
|
— | — | — | — |
235,000
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
6,892,000
EUR
|
— | — | — | — |
2,564,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — |
64,882,000
EUR
|
— | — | — | — |
56,936,000
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
52,308,000
EUR
|
— | — | — | — |
16,414,000
EUR
|
— | — |
| Cash advances and loans made to other parties, classified as investing activities | — |
738,000
EUR
|
— | — | — | — |
0
EUR
|
— | — |
| Dividends received, classified as investing activities | — |
7,000
EUR
|
— | — | — | — |
7,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — |
83,439,000
EUR
|
— | — | — | — |
32,064,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — |
408,000
EUR
|
— | — | — | — |
3,017,000
EUR
|
— | — |
| Payments to acquire or redeem entity's shares | — |
1,475,000
EUR
|
— | — | — | — |
582,000
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
29,014,000
EUR
|
— | — | — | — |
19,822,000
EUR
|
— | — |
| Interest paid, classified as financing activities | — |
8,307,000
EUR
|
— | — | — | — |
3,986,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — |
27,429,000
EUR
|
— | — | — | — |
33,923,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
8,871,000
EUR
|
— | — | — | — |
9,050,000
EUR
|
— | — |
| Cash and cash equivalents |
13,128,000
EUR
|
— | — | — | — |
4,257,000
EUR
|
— | — |
13,306,000
EUR
|