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v3.22.1

Related Party Transactions (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Two Software Vendors Controlled by Largest Stockholder |  |  |
Related Party Transaction [Line Items] |  |  |
Related party costs | $ 0.9 | $ 1.0 | $ 0.9
SMB |  |  |
Related Party Transaction [Line Items] |  |  |
Related party costs |  | 0.8 | 2.3
Amounts due to related party |  | 1.5 | 0.8
Revenue from related parties |  | $ 0.6 | $ 3.6

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