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LEGACY ESS REDEEMABLE CONVERTIBLE PREFERRED STOCK - Schedule of Warrant Activity (Details) - shares |  | 12 Months Ended
--- | --- | ---
Oct. 08, 2021 | Dec. 31, 2021
Class of Warrant or Right [Roll Forward] |  |
Warrants or rights at beginning of period (in shares) |  | 0
Warrants issued (in shares) |  | 12,416,621
Warrants exercised (in shares) |  | 955,374
Warrants or rights at end of period (in shares) |  | 11,461,247
Legacy ESS |  |
Class of Warrant or Right [Roll Forward] |  |
Warrants or rights at beginning of period (in shares) |  | 2,560,568
Warrants issued (in shares) |  | 22,021,284
Warrants exercised (in shares) |  | 24,581,852
Warrants or rights at end of period (in shares) |  | 0
Common Stock Warrants | Legacy ESS |  |
Class of Warrant or Right [Roll Forward] |  |
Warrants or rights at beginning of period (in shares) |  | 450,153
Warrants issued (in shares) |  | 0
Warrants exercised (in shares) |  | 450,153
Warrants or rights at end of period (in shares) |  | 0
Series B Preferred Warrants | Legacy ESS |  |
Class of Warrant or Right [Roll Forward] |  |
Warrants or rights at beginning of period (in shares) | 100,161 | 2,007,308
Warrants issued (in shares) |  | 0
Warrants exercised (in shares) |  | 2,007,308
Warrants or rights at end of period (in shares) |  | 0
Series C-1 Preferred Warrants | Legacy ESS |  |
Class of Warrant or Right [Roll Forward] |  |
Warrants or rights at beginning of period (in shares) |  | 103,107
Warrants issued (in shares) |  | 0
Warrants exercised (in shares) |  | 103,107
Warrants or rights at end of period (in shares) |  | 0
Series C-2 Preferred Stock Warrants | Legacy ESS |  |
Class of Warrant or Right [Roll Forward] |  |
Warrants or rights at beginning of period (in shares) |  | 0
Warrants issued (in shares) |  | 22,021,284
Warrants exercised (in shares) |  | 22,021,284

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- Definition Class of Warrant Or Right, Exercises In Period + References No definition available. + Details
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- Definition Class of Warrant or Right, Grants In Period + References No definition available. + Details
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- Definition Class of Warrant or Right + References No definition available. + Details
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- Definition Number of warrants or rights outstanding. + References No definition available. + Details
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- Details
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- Details
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