Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Cash flows from (used in) operations | — |
70,663,307
EUR
|
69,087,713
EUR
|
— | — |
64,026,861
EUR
|
— |
61,830,080
EUR
|
— | — |
| Interest paid, classified as operating activities | — |
591,046
EUR
|
717,173
EUR
|
— | — |
659,920
EUR
|
— |
787,646
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
885,781
EUR
|
775,398
EUR
|
— | — |
20,440,570
EUR
|
— |
20,385,874
EUR
|
— | — |
| Cash flows from (used in) operating activities | — |
69,186,480
EUR
|
67,595,142
EUR
|
— | — |
42,926,371
EUR
|
— |
40,656,560
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Interest received, classified as investing activities | — |
211,444
EUR
|
205,313
EUR
|
— | — |
192,250
EUR
|
— |
184,418
EUR
|
— | — |
| Cash flows from (used in) investing activities | — |
55,252,129
EUR
|
54,495,132
EUR
|
— | — |
31,631,844
EUR
|
— |
30,365,972
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Payments of lease liabilities, classified as financing activities | — |
412,731
EUR
|
364,613
EUR
|
— | — |
349,474
EUR
|
— |
322,277
EUR
|
— | — |
| Dividends paid, classified as financing activities | — |
15,009,345
EUR
|
15,009,345
EUR
|
— | — |
18,633,015
EUR
|
— |
18,633,015
EUR
|
— | — |
| Cash flows from (used in) financing activities | — |
25,943,250
EUR
|
41,895,132
EUR
|
— | — |
17,847,500
EUR
|
— |
17,820,303
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
12,008,899
EUR
|
28,795,122
EUR
|
— | — |
6,552,973
EUR
|
— |
7,529,714
EUR
|
— | — |
| Cash and cash equivalents |
61,021,421
EUR
|
— | — |
37,051,470
EUR
|
65,846,592
EUR
|
— |
73,030,320
EUR
|
— |
79,583,293
EUR
|
73,376,306
EUR
|