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Leases (Tables) | 12 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Summary of Supplemental Information Related to Operating Leases | A summary of supplemental information related to operating leases as of December 31, 2020 and 2021 is as follows:
|  | As of December 31, |
|  | 2020 |  |  | 2021 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | US$ |
|  | (in thousands) |
Operating lease right-of-use assets |  |  | 1,503,222 |  |  |  | 2,245,571 |  |  |  | 352,379 |
Operating lease liabilities, current |  |  | 594,787 |  |  |  | 969,494 |  |  |  | 152,135 |
Operating lease liabilities, non-current |  |  | 871,685 |  |  |  | 1,244,096 |  |  |  | 195,226 |
Total operating lease liabilities |  |  | 1,466,472 |  |  |  | 2,213,590 |  |  |  | 347,361 |
Weighted average remaining lease term |  |  | 2.85 years |  |  |  | 2.79 years |  |  |  | 2.79 years |
Weighted average discount rate |  |  | 6.4 | % |  |  | 6.8 | % |  |  | 6.8 | %
Summary Lease, Cost | A summary of lease cost recognized in the Group’s consolidated statements of comprehensive loss and supplemental cash flow information related to operating leases is as follows:
|  | For the years ended December 31, |
|  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
|  | (in thousands) |
Operating lease cost |  |  | 165,733 |  |  |  | 475,064 |  |  |  | 953,325 |  |  |  | 149,597 |
Short-term lease cost |  |  | 1,859 |  |  |  | 7,391 |  |  |  | 12,227 |  |  |  | 1,919 |
Variable lease cost |  |  | — |  |  |  | — |  |  |  | 8,247 |  |  |  | 1,294 |
Total |  |  | 167,592 |  |  |  | 482,455 |  |  |  | 973,799 |  |  |  | 152,810 |
Cash paid for operating leases |  |  | 168,787 |  |  |  | 500,458 |  |  |  | 1,002,511 |  |  |  | 157,316 |
Right-of-use assets obtained in exchange for operating lease liabilities |  |  | 499,615 |  |  |  | 1,489,367 |  |  |  | 1,671,666 |  |  |  | 262,321 |
Summary of Maturity of Operating Lease Liabilities | A summary of maturity of operating lease liabilities under the Group’s non-cancelable operating leases as of December 31, 2021 is as follows:
|  | As of December 31, 2021 |
|  | RMB |  |  | US$ |
|  | (in thousands) |
2022 |  |  | 1,080,579 |  |  |  | 169,566 |
2023 |  |  | 711,673 |  |  |  | 111,677 |
2024 |  |  | 379,318 |  |  |  | 59,523 |
2025 |  |  | 188,455 |  |  |  | 29,573 |
2026 |  |  | 59,163 |  |  |  | 9,284 |
Thereafter |  |  | 1,067 |  |  |  | 168 |
Total future lease payments |  |  | 2,420,255 |  |  |  | 379,791 |
Less: imputed interest |  |  | (206,665 | ) |  |  | (32,430 | )
Total operating lease liabilities |  |  | 2,213,590 |  |  |  | 347,361 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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