Annual report pursuant to Section 13 and 15(d)

Revenue from Contracts with Customers - Schedule of disaggregated revenue (Details)

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Revenue from Contracts with Customers - Schedule of disaggregated revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]                          
Total revenue $ 46,290 $ 72,947 $ 79,787 $ 64,808 $ 34,348 $ 23,197 $ 152,734 $ 57,545 $ 199,024 $ 122,353 $ 259,171 $ 213,243 $ 12,081
Bitcoin Mining                          
Disaggregation of Revenue [Line Items]                          
Total revenue 22,070 46,151 57,945 $ 53,590 $ 31,450 $ 23,173 104,096 $ 54,623 126,166 $ 108,213 156,870 184,422 11,984
Engineering                          
Disaggregation of Revenue [Line Items]                          
Total revenue $ 15,824 $ 16,938 $ 12,124       $ 29,062   $ 44,886   $ 65,342 $ 4,178