Statement Of Cash Flows [Abstract]
| Concept |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Cash flows from (used in) operations | — |
69,173,872
EUR
|
— |
176,986,175
EUR
|
— |
216,702,804
EUR
|
126,867,216
EUR
|
— | — | — |
| Interest paid, classified as operating activities | — |
7,157,264
EUR
|
— |
9,750,418
EUR
|
— |
8,477,858
EUR
|
7,033,413
EUR
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — |
3,921,348
EUR
|
— |
12,585,658
EUR
|
— |
15,866,256
EUR
|
6,759,102
EUR
|
— | — | — |
| Cash flows from (used in) operating activities | — |
65,937,956
EUR
|
— |
154,650,099
EUR
|
— |
192,358,690
EUR
|
113,074,701
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
-
EUR
|
— |
-
EUR
|
— |
116,875
EUR
|
-
EUR
|
— | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
204,150,000
EUR
|
— |
196,650,000
EUR
|
— |
12,741,490
EUR
|
13,208,987
EUR
|
— | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
687,619
EUR
|
— |
5,385,276
EUR
|
— |
4,375,850
EUR
|
1,818,714
EUR
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
28,496,285
EUR
|
— |
57,030,318
EUR
|
— |
79,630,464
EUR
|
41,221,462
EUR
|
— | — | — |
| Proceeds from sales of intangible assets, classified as investing activities | — |
407,294
EUR
|
— |
412,459
EUR
|
— |
203,276
EUR
|
203,229
EUR
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — |
4,074,759
EUR
|
— |
7,276,610
EUR
|
— |
10,596,165
EUR
|
8,523,416
EUR
|
— | — | — |
| Cash advances and loans made to other parties, classified as investing activities | — |
178,542,919
EUR
|
— |
39,367
EUR
|
— |
40,334,584
EUR
|
96,208,419
EUR
|
— | — | — |
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities | — |
159,534,710
EUR
|
— |
91,219,887
EUR
|
— |
14,044,121
EUR
|
53,759,636
EUR
|
— | — | — |
| Interest received, classified as investing activities | — |
2,529,225
EUR
|
— |
17,028,503
EUR
|
— |
3,504,458
EUR
|
2,915,144
EUR
|
— | — | — |
| Cash flows from (used in) investing activities | — |
246,175,912
EUR
|
— |
142,659,172
EUR
|
— |
118,002,066
EUR
|
95,420,444
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Proceeds from borrowings, classified as financing activities | — |
1,327,414,213
EUR
|
— |
926,931,269
EUR
|
— |
835,261,103
EUR
|
1,090,169,633
EUR
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — |
1,085,490,135
EUR
|
— |
880,837,557
EUR
|
— |
808,314,348
EUR
|
1,032,414,899
EUR
|
— | — | — |
| Dividends paid, classified as financing activities | — |
45,222,901
EUR
|
— |
45,222,901
EUR
|
— |
45,223,953
EUR
|
45,223,953
EUR
|
— | — | — |
| Cash flows from (used in) financing activities | — |
193,134,828
EUR
|
— |
11,185,228
EUR
|
— |
27,274,910
EUR
|
9,336,166
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
12,896,872
EUR
|
— |
805,699
EUR
|
— |
47,081,714
EUR
|
26,990,423
EUR
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
-
EUR
|
— |
62,968
EUR
|
— |
138,742
EUR
|
-
EUR
|
— | — | — |
| Cash and cash equivalents |
100,226,890
EUR
|
— |
57,567,397
EUR
|
— |
88,674,952
EUR
|
— | — |
44,670,525
EUR
|
17,680,102
EUR
|
41,730,269
EUR
|