Property and Equipment-Net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 62,637 | $ 59,183 |
| Less accumulated depreciation | (51,822) | (44,235) |
| Property and equipment, net | 10,815 | 14,948 |
| Computer equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 26,994 | 25,392 |
| Computer software | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 33,644 | 31,037 |
| Furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 913 | 1,315 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 883 | 1,116 |
| Work in process (primarily software development costs) | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 31 | 187 |
| Other | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 172 | $ 136 |