Quarterly report pursuant to Section 13 or 15(d)

Long-Term Assets (Schedule of Deposits on Equipment) (Details)

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Long-Term Assets (Schedule of Deposits on Equipment) (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
Long-term Assets Schedule Of Deposits On Equipment  
Balance at January 1, 2021 $ 33,093
Additions 103,158
Reclassification to property and equipment (46,711)
Balance at September 30, 2021 89,540
Security deposits 4,876
Deposits at September 30, 2021 $ 94,416