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SUBSEQUENT EVENTS - Additional Information (Detail) - USD ($)
1 Months Ended
Apr. 28, 2022
Apr. 07, 2022
Sep. 15, 2021
Apr. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Subsequent Event [Line Items]            
Common stock, shares issued         41,363,271 40,865,336
Common stock, Par value         $ 0.0001 $ 0.0001
Common Stock Purchase Agreement and Registration Rights Agreement [Member] | Greenidge Generation Holdings Inc [Member] | Private Placement [Member]            
Subsequent Event [Line Items]            
Proceeds from common stock purchase agreement     $ 200,000,000      
Subsequent Event [Member] | Greenidge Generation Holdings Inc [Member]            
Subsequent Event [Line Items]            
Common stock, shares issued       2,547,500    
Proceeds from sale of common stock       $ 54,900,000    
Subsequent Event [Member] | Common Stock Purchase Agreement and Registration Rights Agreement [Member] | Common Class A [Member]            
Subsequent Event [Line Items]            
Sale of stock $ 5,720,951          
Subsequent Event [Member] | Common Stock Purchase Agreement and Registration Rights Agreement [Member] | Greenidge Generation Holdings Inc [Member] | Common Class A [Member]            
Subsequent Event [Line Items]            
Proceeds from sale of common stock   $ 500,000,000        
Maximum Common Stock Sell Percentage   19.99%