Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Outstanding Unvested Stock Activities (Details)

v3.22.2.2
STOCK-BASED COMPENSATION - Outstanding Unvested Stock Activities (Details)
shares in Thousands
9 Months Ended
Sep. 30, 2022
$ / shares
shares
Feb. 11, 2022
Weighted Average Grant Date Fair Value per Share    
Beginning balance (in dollars per share) | $ / shares $ 0.73  
New grants or issues (in dollars per share) | $ / shares 0  
Common stock vested (in dollars per share) | $ / shares 0.73  
Ending balance (in dollars per share) | $ / shares $ 0  
Energy Vault Holdings Inc    
Weighted Average Grant Date Fair Value per Share    
Exchange ratio   6.7735
Unvested Common Stock    
Unvested Common Stock    
Beginning balance (in shares) | shares 5,520  
New grants or issues (in shares) | shares 0  
Common stock vested (in shares) | shares (5,520)  
Ending balance (in shares) | shares 0