{"cik":1819438,"taxonomy":"us-gaap","tag":"ShareBasedCompensation","label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","entityName":"ESS Tech, Inc.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":310000,"accn":"0001628280-22-005026","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-04","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":129000,"accn":"0001628280-22-014149","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-13","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":360000,"accn":"0001628280-22-022530","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2021-01-01","end":"2021-09-30","val":620000,"accn":"0001628280-22-028231","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-01-01","end":"2021-12-31","val":7922000,"accn":"0001628280-22-005026","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-04"},{"start":"2021-01-01","end":"2021-12-31","val":7922000,"accn":"0001628280-23-005933","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-02","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":2760000,"accn":"0001628280-22-014149","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-13"},{"start":"2022-01-01","end":"2022-03-31","val":2760000,"accn":"0001628280-23-016924","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-10","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":5705000,"accn":"0001628280-22-022530","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-12"},{"start":"2022-01-01","end":"2022-06-30","val":5705000,"accn":"0001628280-23-028300","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-09"},{"start":"2022-01-01","end":"2022-09-30","val":8703000,"accn":"0001628280-22-028231","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-01-01","end":"2022-09-30","val":8703000,"accn":"0001628280-23-038916","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-14"},{"start":"2022-01-01","end":"2022-12-31","val":11889000,"accn":"0001628280-23-005933","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-02"},{"start":"2022-01-01","end":"2022-12-31","val":11889000,"accn":"0001628280-24-011004","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-14","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":2059000,"accn":"0001628280-23-016924","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-10"},{"start":"2023-01-01","end":"2023-03-31","val":2059000,"accn":"0001628280-24-021198","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-08","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":4784000,"accn":"0001628280-23-028300","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-09"},{"start":"2023-01-01","end":"2023-06-30","val":4784000,"accn":"0001628280-24-037276","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-14"},{"start":"2023-01-01","end":"2023-09-30","val":7673000,"accn":"0001628280-23-038916","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-14"},{"start":"2023-01-01","end":"2023-09-30","val":7673000,"accn":"0001628280-24-047692","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-14"},{"start":"2023-01-01","end":"2023-12-31","val":10635000,"accn":"0001628280-24-011004","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-14"},{"start":"2023-01-01","end":"2023-12-31","val":10635000,"accn":"0001628280-25-015649","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-31","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":2854000,"accn":"0001628280-24-021198","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-08"},{"start":"2024-01-01","end":"2024-03-31","val":2854000,"accn":"0001628280-25-026025","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-15","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":5880000,"accn":"0001628280-24-037276","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-14"},{"start":"2024-01-01","end":"2024-06-30","val":5880000,"accn":"0001819438-25-000014","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-14"},{"start":"2024-01-01","end":"2024-09-30","val":8538000,"accn":"0001628280-24-047692","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-14"},{"start":"2024-01-01","end":"2024-09-30","val":8538000,"accn":"0001819438-25-000076","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-13"},{"start":"2024-01-01","end":"2024-12-31","val":11575000,"accn":"0001628280-25-015649","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-31"},{"start":"2024-01-01","end":"2024-12-31","val":11575000,"accn":"0001819438-26-000012","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-05","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1234000,"accn":"0001628280-25-026025","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-15"},{"start":"2025-01-01","end":"2025-03-31","val":1234000,"accn":"0001819438-26-000034","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-07","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":2699000,"accn":"0001819438-25-000014","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-14"},{"start":"2025-01-01","end":"2025-09-30","val":3945000,"accn":"0001819438-25-000076","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-13"},{"start":"2025-01-01","end":"2025-12-31","val":5434000,"accn":"0001819438-26-000012","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-05","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":1064000,"accn":"0001819438-26-000034","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-07","frame":"CY2026Q1"}]}}