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Prepayments and Other Assets - Schedule of Prepayments and Other Assets (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | ---
Current portion: |  |  |
Prepayments to suppliers | ¥ 162,528 | $ 25,504 | ¥ 78,621
Contract costs | 145,628 | 22,852 | 13,882
Contract assets, net | 550,068 | 86,318 |
VAT prepayments | 619,391 | 97,196 | 470,567
Interest receivable | 21,463 | 3,368 | 14,204
Individual income tax receivable | 48,949 | 7,681 | 231,377
Others | 138,994 | 21,811 | 78,435
Total | 1,687,021 | 264,730 | 887,086
Non-current portion: |  |  |
Prepayments for electronic equipment | 25,388 | 3,984 | 8,978
Others | 3,678 | 577 | 2,846
Total | ¥ 29,066 | $ 4,561 | ¥ 11,824

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