Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Cash flows from (used in) operations |
85,598,275
EUR
|
— |
83,835,485
EUR
|
— |
103,178,409
EUR
|
— |
101,170,896
EUR
|
— | — | — |
| Interest paid, classified as operating activities |
1,772,998
EUR
|
— |
1,818,695
EUR
|
— |
1,712,503
EUR
|
— |
1,687,057
EUR
|
— | — | — |
| Income taxes paid (refund), classified as operating activities |
5,251,552
EUR
|
— |
4,857,416
EUR
|
— |
16,652,848
EUR
|
— |
16,543,596
EUR
|
— | — | — |
| Cash flows from (used in) operating activities |
78,573,725
EUR
|
— |
77,159,374
EUR
|
— |
84,813,058
EUR
|
— |
82,940,243
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Interest received, classified as investing activities |
3,698,813
EUR
|
— |
3,439,193
EUR
|
— |
2,222,069
EUR
|
— |
1,801,194
EUR
|
— | — | — |
| Cash flows from (used in) investing activities |
10,345,110
EUR
|
— |
9,575,202
EUR
|
— |
109,059,214
EUR
|
— |
109,826,968
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Proceeds from changes in ownership interests in subsidiaries that do not result in loss of control |
36,731
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— | — | — |
| Payments of lease liabilities, classified as financing activities |
366,443
EUR
|
— |
418,300
EUR
|
— |
395,133
EUR
|
— |
447,188
EUR
|
— | — | — |
| Dividends paid, classified as financing activities |
28,000,000
EUR
|
— |
28,000,000
EUR
|
— |
35,000,000
EUR
|
— |
35,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities |
43,559,828
EUR
|
— |
28,611,685
EUR
|
— |
11,125,917
EUR
|
— |
11,073,862
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
24,668,787
EUR
|
— |
38,972,488
EUR
|
— |
13,120,239
EUR
|
— |
15,812,863
EUR
|
— | — | — |
| Cash and cash equivalents | — |
106,297,764
EUR
|
— |
92,255,286
EUR
|
— |
81,628,977
EUR
|
— |
53,282,798
EUR
|
94,749,216
EUR
|
69,095,661
EUR
|