Annual report pursuant to Section 13 and 15(d)

Cryptocurrencies (Narrative) (Details)

v3.22.0.1
Cryptocurrencies (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract]      
Maximum cryptocurrency activity from Bitcoin during period   $ 100  
Impairment of cryptocurrencies $ 36,462 $ 989 $ 844