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Schedule of trademarks, licenses and other intangible assets (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | $ 290,989 | $ 290,881
Accumulated Amortization | 76,942 | 76,773
Net Book Value | 214,047 | 214,108
Licenses [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 109,682 | 93,248
Accumulated Amortization | 62,286 | 62,262
Net Book Value | 47,396 | 30,986
Other Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 17,775 | 18,194
Accumulated Amortization | 14,588 | 14,437
Net Book Value | 3,187 | 3,757
Indefinite-lived Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 119,712 | 131,962
Accumulated Amortization |  |
Net Book Value | 119,712 | 131,962
Finite-Lived Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 43,820 | 47,477
Accumulated Amortization | 68 | 74
Net Book Value | 43,752 | 47,403
Subtotal [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 171,277 | 158,919
Accumulated Amortization | 76,942 | 76,773
Net Book Value | $ 94,335 | $ 82,146

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