Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Cash flows from (used in) operations | — |
127,074,955
EUR
|
— |
124,970,361
EUR
|
— |
61,738,236
EUR
|
— |
62,666,565
EUR
|
— | — |
| Interest paid, classified as operating activities | — |
490,091
EUR
|
— |
485,214
EUR
|
— |
282,361
EUR
|
— |
284,599
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
6,735,756
EUR
|
— |
6,665,206
EUR
|
— |
1,142,469
EUR
|
— |
1,217,739
EUR
|
— | — |
| Cash flows from (used in) operating activities | — |
119,849,108
EUR
|
— |
117,819,941
EUR
|
— |
60,313,406
EUR
|
— |
61,164,227
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Interest received, classified as investing activities | — |
191,362
EUR
|
— |
175,991
EUR
|
— |
252,498
EUR
|
— |
260,738
EUR
|
— | — |
| Cash flows from (used in) investing activities | — |
40,807,677
EUR
|
— |
40,164,103
EUR
|
— |
54,173,000
EUR
|
— |
54,649,227
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Payments of lease liabilities, classified as financing activities | — |
412,757
EUR
|
— |
384,460
EUR
|
— |
368,275
EUR
|
— |
416,562
EUR
|
— | — |
| Dividends paid, classified as financing activities | — |
15,960,000
EUR
|
— |
15,960,000
EUR
|
— |
15,960,000
EUR
|
— |
15,960,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — |
24,930,900
EUR
|
— |
24,902,603
EUR
|
— |
26,849,450
EUR
|
— |
26,897,737
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
54,110,531
EUR
|
— |
52,753,235
EUR
|
— |
20,709,044
EUR
|
— |
20,382,737
EUR
|
— | — |
| Cash and cash equivalents |
94,749,216
EUR
|
— |
69,095,661
EUR
|
— |
40,638,685
EUR
|
— |
16,342,426
EUR
|
— |
61,021,421
EUR
|
37,051,470
EUR
|