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v3.22.1

Organization and Basis of Presentation - Schedule of Operations and Cash Flows Results of Variable Interest (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |
Revenues | ¥ 9,060,784 | $ 1,421,835 | ¥ 6,577,307 | ¥ 3,956,353
Net loss | (1,588,712) | (249,303) | (962,259) | (1,111,199)
Net cash used in operating activities | (708,869) | (111,236) | (290,433) | (439,132)
Net cash used in investing activities | (421,623) | (66,162) | (4,314,003) | 883,247
Net cash generated from financing activities | 2,212,487 | 347,187 | 6,124,153 | 64,507
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |
Revenues | 7,972,143 | 1,251,003 | 6,377,158 | 3,882,352
Net loss | (1,556,904) | (244,312) | (922,908) | (970,344)
Net cash used in operating activities | (958,748) | (150,448) | (833,479) | (785,378)
Net cash used in investing activities | (843,586) | (132,377) | (1,471,637) | (836,981)
Net cash generated from financing activities | ¥ 2,612,563 | $ 409,968 | ¥ 2,802,088 | ¥ 1,618,102

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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3521-108585 + Details
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