Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets Goodwill and Intangibles Other (Details 4)

v3.20.4
Goodwill and Intangible Assets Goodwill and Intangibles Other (Details 4) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Indefinite-lived Intangible Assets [Roll Forward]      
Beginning balance $ 0 $ 4,400,000  
Indefinite-lived Intangible Assets, Purchase Accounting Adjustments 7,200,000 0  
Intangible Assets, Transfer from IPRD to Developed Tech 0 (4,400,000)  
Ending balance 7,200,000 0 $ 4,400,000
Impairment losses 86,000 0 2,198,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 0 $ 0 $ 0