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v3.22.2.2

Property and Equipment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Property and equipment, gross | $ 87.7 |  | $ 87.7 |  | $ 71.4 |
Less: accumulated depreciation | (37.5) |  | (37.5) |  | (29.7) |
Property and equipment, net | 50.2 |  | 50.2 |  | 41.7 | [1]
Impairment charges |  |  | 0.0 | $ 2.7 |  |
Depreciation expense | 4.8 | $ 2.9 | 12.9 | $ 10.4 |  |
Waltham office relocation |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Impairment charges |  |  |  |  | 2.7 |
Computer equipment |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Property and equipment, gross | 12.7 |  | 12.7 |  | 12.5 |
Furniture and fixtures |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Property and equipment, gross | 3.7 |  | 3.7 |  | 3.6 |
Furniture and fixtures | Waltham office relocation |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Accelerated depreciation |  |  |  |  | 2.1 |
Leasehold improvements |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Property and equipment, gross | 9.6 |  | 9.6 |  | 8.6 |
Leasehold improvements | Waltham office relocation |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Impairment charges |  |  |  |  | 1.2 |
Internal use developed software |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Property and equipment, gross | 58.7 |  | 58.7 |  | 40.8 |
Construction in progress |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Property and equipment, gross | $ 3.0 |  | $ 3.0 |  | 5.9 |
Operating lease, right-of-use asset | Waltham office relocation |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Impairment charges |  |  |  |  | $ 1.5 |
[1] | The Condensed Consolidated Balance Sheet as of December 31, 2021 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements.

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