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
6 Months Ended
Jun. 30, 2021
USD ($)
Long-term Assets Schedule Of Deposits On Equipment  
Balance at January 1, 2021 $ 33,093
Additions 84,986
Reclassification to property and equipment (40,993)
Balance at June 30, 2021 77,086
Security deposits 1,775
Deposits at June 30, 2021 $ 78,861