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Intangible Assets Other Than Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Intangible Assets Other Than Goodwill (Details) [Line Items]      
Impairment of Intangible Assets (Excluding Goodwill) $ 0 $ 0 $ 9,379
Amortization of Intangible Assets 1,000 $ 1,200 $ 4,700
Finite-Lived Intangible Asset, Expected Amortization, Year One 1,000    
Technology Rights [Member]      
Intangible Assets Other Than Goodwill (Details) [Line Items]      
Impairment of Intangible Assets (Excluding Goodwill) $ 9,400