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Parent Company Only Condensed Financial Information - Condensed Statements of Cash Flow (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Condensed Cash Flow Statements, Captions [Line Items]        
Net cash generated from/(used in) operating activities ¥ 87,366 $ 12,667 ¥ (5,666,538) ¥ (2,055,697)
Net cash (used in)/generated from investing activities (47,127) (6,833) (4,065,340) (1,021,219)
Net cash generated from/(used in) financing activities 1,112,383 161,281 9,042,640 3,656,665
Effect of exchange rate changes on cash and cash equivalents and restricted cash 35,896 5,204 (90,778) (67,860)
Net increase/(decrease) in cash and cash equivalents and restricted cash 1,188,518 172,319 (780,016) 511,889
Cash and cash equivalents and restricted cash at the beginning of the year 670,432 97,204 1,450,448 938,559
Cash and cash equivalents and restricted cash at the end of the year 1,858,950 269,523 670,432 1,450,448
Parent Company [Member]        
Condensed Cash Flow Statements, Captions [Line Items]        
Net cash generated from/(used in) operating activities (29,541) (4,284) (4,066) 7,564
Net cash (used in)/generated from investing activities 43,166 6,259 (7,713,202) (1,957,689)
Net cash generated from/(used in) financing activities (16,674) (2,417) 7,215,688 2,281,673
Effect of exchange rate changes on cash and cash equivalents and restricted cash 15,075 2,186 (25,625) (41,844)
Net increase/(decrease) in cash and cash equivalents and restricted cash 12,026 1,744 (527,205) 289,704
Cash and cash equivalents and restricted cash at the beginning of the year 24,500 3,552 551,705 262,001
Cash and cash equivalents and restricted cash at the end of the year ¥ 36,526 $ 5,296 ¥ 24,500 ¥ 551,705