Annual report pursuant to Section 13 and 15(d)

Acquisitions (Schedule of total Consideration Transferred) (Details)

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Acquisitions (Schedule of total Consideration Transferred) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
May 26, 2021
Dec. 31, 2020
Business Acquisition [Line Items]      
Goodwill $ 349,063  
Acquisition of ESS Metron [Member]      
Business Acquisition [Line Items]      
Cash and cash equivalents 549    
Accounts receivable 9,879    
Prepaid expenses and other current assets 636    
Inventory and work-in-progress 1,175    
Costs and estimated earnings in excess of billings 13,205    
Property and equipment 4,501    
Intangible assets 14,000    
Right of use asset 6,714    
Accounts payable (9,235)    
Accrued expenses (1,239)    
Billings in excess of costs and estimated earnings (5,883)    
Operating lease liabilities (6,714)    
Warranty liability (116)    
Total identifiable assets and liabilities acquired 27,472    
Goodwill 29,379    
Total $ 56,851    
Whinstone US, Inc. [Member]      
Business Acquisition [Line Items]      
Cash and cash equivalents   $ 10,400  
Accounts receivable   1,072  
Prepaid expenses and other current assets   2,176  
Property and equipment   78,207  
Derivative asset   13,967  
Right of use asset   6,547  
Security deposits   1,775  
Future power credits [1]   82,953  
Accounts payable   (12,853)  
Accrued expenses   (504)  
Deferred revenues and customer deposits   (34,856)  
Operating lease liabilities   (8,184)  
Total identifiable assets and liabilities acquired   140,700  
Goodwill [2]   319,684  
Total   $ 460,384  
[1] Future power credits of $83.0 million are associated with the contingent purchase price payable.
[2] Goodwill represents the excess of total purchase consideration over the preliminary fair value of the underlying assets acquired and liabilities assumed. Goodwill is attributable to the assembled workforce of experienced personnel at Whinstone and synergies expected to be achieved from the combined operations of Riot and Whinstone. None of the goodwill recognized is expected to be deductible for tax purposes. We assigned the goodwill to our Hosting segment. See Note 18, “Segment Information”.