Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Narrative (Details)

v3.21.1
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Jan. 01, 2021
Dec. 31, 2020
Accounting Policies [Abstract]        
Purchase of digital currencies $ 1,098 $ 0    
Debt Instrument [Line Items]        
Right-of-use asset 1,723   $ 2,101 $ 0
Operating lease liabilities $ 1,977   2,101  
Short-term deferred rent     8  
Long-term deferred rent     180  
Accounting Standards Update 2016-02        
Debt Instrument [Line Items]        
Right-of-use asset     2,101  
Operating lease liabilities     $ 2,101