Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||
| Profit (loss) |
4,600,000
EUR
|
— |
1,129,000
EUR
|
5,729,000
EUR
|
— |
7,659,000
EUR
|
9,519,000
EUR
|
1,859,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||
| Adjustments for income tax expense |
3,587,000
EUR
|
— | — | — | — |
6,110,000
EUR
|
— | — | — |
| Other adjustments for non-cash items |
6,450,000
EUR
|
— | — | — | — |
121,000
EUR
|
— | — | — |
| Interest received, classified as operating activities |
409,000
EUR
|
— | — | — | — |
714,000
EUR
|
— | — | — |
| Income taxes paid (refund), classified as operating activities |
370,000
EUR
|
— | — | — | — |
6,892,000
EUR
|
— | — | — |
| Cash flows from (used in) operating activities |
79,002,000
EUR
|
— | — | — | — |
64,882,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities |
7,657,000
EUR
|
— | — | — | — |
0
EUR
|
— | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
1,460,000
EUR
|
— | — | — | — |
52,308,000
EUR
|
— | — | — |
| Cash advances and loans made to other parties, classified as investing activities |
2,078,000
EUR
|
— | — | — | — |
738,000
EUR
|
— | — | — |
| Dividends received, classified as investing activities |
3,000
EUR
|
— | — | — | — |
7,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities |
18,460,000
EUR
|
— | — | — | — |
83,439,000
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 |
262,000
EUR
|
— | — | — | — |
408,000
EUR
|
— | — | — |
| Payments to acquire or redeem entity's shares |
0
EUR
|
— | — | — | — |
1,475,000
EUR
|
— | — | — |
| Payments of lease liabilities, classified as financing activities |
31,825,000
EUR
|
— | — | — | — |
29,014,000
EUR
|
— | — | — |
| Interest paid, classified as financing activities |
6,178,000
EUR
|
— | — | — | — |
8,307,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities |
49,153,000
EUR
|
— | — | — | — |
27,429,000
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
11,389,000
EUR
|
— | — | — | — |
8,871,000
EUR
|
— | — | — |
| Cash and cash equivalents | — |
24,517,000
EUR
|
— | — |
13,128,000
EUR
|
— | — | — |
4,257,000
EUR
|