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SIGNIFICANT ACCOUNTING POLICIES - Reduction in Force (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |
Stock-based compensation expense | $ 40,367 | $ 40,980 | $ 44,686
Supplemental Unemployment Benefits, Severance Benefits |  |  | 8,100
Restructuring and reduction of force, not yet paid |  |  | 2,400
Delivery costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Stock-based compensation expense | 2,680 | 2,427 | 2,682
Supplemental Unemployment Benefits, Severance Benefits |  |  | 2,100
Sales and marketing expense |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Stock-based compensation expense | 10,017 | 12,624 | 11,935
Supplemental Unemployment Benefits, Severance Benefits |  |  | 1,600
Research and development expense |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Stock-based compensation expense | 14,957 | 16,392 | 13,262
Supplemental Unemployment Benefits, Severance Benefits |  |  | 1,900
General and administrative expense |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Stock-based compensation expense | $ 12,713 | $ 9,537 | 16,807
Supplemental Unemployment Benefits, Severance Benefits |  |  | $ 2,500

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