PROPERTY, SOFTWARE, AND EQUIPMENT, NET - Schedule Of Property, Software and Equipment (Details) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property, software and equipment, gross | $ 185,456 | $ 62,920 |
| Less: accumulated depreciation and amortization | (39,037) | (17,086) |
| Property, software, and equipment, net | 146,419 | 45,834 |
| Tenant improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, software and equipment, gross | 64,313 | 18,945 |
| Internally developed software | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, software and equipment, gross | 31,142 | 16,992 |
| Computer equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, software and equipment, gross | 23,731 | 9,203 |
| Furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, software and equipment, gross | 21,927 | 8,024 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, software and equipment, gross | $ 44,343 | $ 9,756 |