Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Stock Option Activity (Details)

v3.22.2.2
STOCK-BASED COMPENSATION - Stock Option Activity (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Feb. 11, 2022
Number of Options      
Number of options, beginning balance (in shares) | shares 1,345    
Number of options, stock options granted (in shares) | shares 0    
Number of options, stock options exercised (in shares) | shares (162)    
Number of options, stock options forfeited, canceled, or expired (in shares) | shares (40)    
Number of options, ending balance (in shares) | shares 1,143 1,345  
Number of options, options exercisable (in shares) | shares 803    
Number of options, options vested and expected to vest (in shares) | shares 1,143    
Weighted Average Exercise Price Per Share      
Weighted average exercise price per share, beginning balance (in dollars per share) | $ / shares $ 0.79    
Weighted average exercise price per share, stock options granted (in dollars per share) | $ / shares 0    
Weighted average exercise price per share, stock options exercised (in dollars per share) | $ / shares 0.80    
Weighted average exercise price per share, stock options forfeited, canceled, or expired (in dollars per share) | $ / shares 0.80    
Weighted average exercise price per share, ending balance (in dollars per share) | $ / shares 0.79 $ 0.79  
Weighted average exercise price per share, options exercisable (in dollars per share) | $ / shares 0.69    
Weighted average exercise price per share, options vested and expected to vest (in dollars per share) | $ / shares $ 0.79    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]      
Weighted average remaining contractual term (in years) 8 years 1 month 6 days 9 years 1 month 9 days  
Weighted average remaining contractual term (in years), options exercisable 7 years 9 months 7 days    
Weighted average remaining contractual term (in years), options vested and expected to vest 8 years 1 month 6 days    
Aggregate intrinsic value, beginning balance | $ $ 7,024    
Aggregate intrinsic value, ending balance | $ 5,136 $ 7,024  
Aggregate intrinsic value, options exercisable | $ 3,689    
Aggregate intrinsic value, options vested and expected to vest | $ $ 5,136    
Energy Vault Holdings Inc      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]      
Exchange ratio     6.7735