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Other Financial Statement Information - Summary of Depreciation and Amortization Expense (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure Details Of Depreciation And Amortization [Line Items] |  |  |
Total depreciation and amortization expense | $ 16,686 | $ 20,097 | $ 16,390
Cost of revenue |  |  |
Disclosure Details Of Depreciation And Amortization [Line Items] |  |  |
Total depreciation and amortization expense | 6,430 | 8,324 | 6,773
Sales and marketing |  |  |
Disclosure Details Of Depreciation And Amortization [Line Items] |  |  |
Total depreciation and amortization expense | 6,017 | 6,913 | 6,469
Technology and development |  |  |
Disclosure Details Of Depreciation And Amortization [Line Items] |  |  |
Total depreciation and amortization expense | 2,361 | 2,800 | 1,055
General and administrative |  |  |
Disclosure Details Of Depreciation And Amortization [Line Items] |  |  |
Total depreciation and amortization expense | $ 1,878 | $ 2,060 | $ 2,093

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- Definition Amount of expense for allocation of cost of tangible and intangible assets over their useful lives directly used in production of good and rendering of service. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(2)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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