| (in thousands of euros) | Note | December 31, 2021 | December 31, 2020 | 
|---|---|---|---|
| EQUITY AND LIABILITIES | EQUITY AND LIABILITIESNote 
  | 
EQUITY AND LIABILITIESDecember 31, 2021 
  | 
EQUITY AND LIABILITIESDecember 31, 2020 
  | 
| Share capital | Share capital Note
  | 
Share capital December 31, 20211 01,385 | 
Share capital December 31, 202099,108  | 
| Share and merger premium | Share and merger premium Note
  | 
Share and merger premium December 31, 20213,487,657  | 
Share and merger premium December 31, 20203,642,866  | 
| Statutory reserve | Statutory reserve Note
  | 
Statutory reserve December 31, 20219,911  | 
Statutory reserve December 31, 20209,617  | 
| Retained earnings | Retained earnings Note
  | 
Retained earnings December 31, 20211,750  | 
Retained earnings December 31, 20202,229  | 
| Equity before net income | Equity before net income Note
  | 
Equity before net income December 31, 20213,600,703 | 
Equity before net income December 31, 20203,753,820 | 
| Net income for the year | Net income for the year Note
  | 
Net income for the year December 31, 202147,387  | 
Net income for the year December 31, 202063,770  | 
| Shareholders’ equity | Shareholders’ equityNote14 | Shareholders’ equityDecember 31, 20213,648,090 | Shareholders’ equityDecember 31, 20203,817,590 | 
| Provisions for liabilities and charges | Provisions for liabilities and chargesNote15 | Provisions for liabilities and chargesDecember 31, 202115,734 | Provisions for liabilities and chargesDecember 31, 202016,650 | 
| Bonds | Bonds Note16 | 
Bonds December 31, 20211,100,832  | 
Bonds December 31, 20201,801,177  | 
| Bank borrowings and overdrafts | Bank borrowings and overdrafts Note17 | 
Bank borrowings and overdrafts December 31, 2021-  | 
Bank borrowings and overdrafts December 31, 2020150,070  | 
| Other financial liabilities | Other financial liabilities Note18 | 
Other financial liabilities December 31, 20211,092,146  | 
Other financial liabilities December 31, 20201,669,077  | 
| Trade payables | Trade payables Note
  | 
Trade payables December 31, 20213,140  | 
Trade payables December 31, 20205,640  | 
| Tax and social liabilities | Tax and social liabilities Note
  | 
Tax and social liabilities December 31, 20217,999  | 
Tax and social liabilities December 31, 202018,095  | 
| Other creditors | Other creditors Note
  | 
Other creditors December 31, 2021348  | 
Other creditors December 31, 2020400  | 
| Deferred income | Deferred income Note
  | 
Deferred income December 31, 2021-  | 
Deferred income December 31, 2020-  | 
| Liabilities | LiabilitiesNote 
  | 
LiabilitiesDecember 31, 20212,204,465 | LiabilitiesDecember 31, 20203,644,459 | 
| Unrealized foreign exchange gains | Unrealized foreign exchange gains Note
  | 
Unrealized foreign exchange gains December 31, 2021-  | 
Unrealized foreign exchange gains December 31, 2020-  | 
| TOTAL EQUITY AND LIABILITIES | TOTAL EQUITY AND LIABILITIESNote 
  | 
TOTAL EQUITY AND LIABILITIESDecember 31, 20215,868,289 | TOTAL EQUITY AND LIABILITIESDecember 31, 20207,478,699 |