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v3.20.1

Summary of Significant Accounting Policies - Cumulative effects of changes (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2019 USD ($) | Dec. 31, 2019 CNY (¥) | Jan. 01, 2019 USD ($) | Jan. 01, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥)
--- | --- | --- | --- | --- | ---
Assets: |  |  |  |  |
Prepayments and other current assets | $ 136,499 | ¥ 950,277 |  |  | ¥ 953,989
Right-of-use assets | 74,289 | 517,188 |  |  |
Liabilities: |  |  |  |  |
Current portion of lease liabilities | 16,624 | 115,734 |  |  |
Non-Current portion of Lease liabilities | $ 61,564 | ¥ 428,593 |  |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |
Assets: |  |  |  |  |
Prepayments and other current assets |  |  | $ 136,634 | ¥ 951,221 |
Right-of-use assets |  |  | 31,820 | 221,521 |
Liabilities: |  |  |  |  |
Current portion of lease liabilities |  |  | 7,926 | 55,180 |
Non-Current portion of Lease liabilities |  |  | 25,091 | 174,681 |
Accrued expenses and other liabilities |  |  | 318,101 | 2,214,559 |
Deferred rent |  |  | 1,596 | 11,108 |
Prepaid Rent |  |  | $ 398 | ¥ 2,768 |
Previously Reported [Member] |  |  |  |  |
Assets: |  |  |  |  |
Prepayments and other current assets |  |  |  |  | 953,989
Liabilities: |  |  |  |  |
Accrued expenses and other liabilities |  |  |  |  | 2,225,667
Restatement Adjustment [Member] |  |  |  |  |
Assets: |  |  |  |  |
Prepayments and other current assets |  |  |  |  | (2,768)
Right-of-use assets |  |  |  |  | 221,521
Liabilities: |  |  |  |  |
Current portion of lease liabilities |  |  |  |  | 55,180
Non-Current portion of Lease liabilities |  |  |  |  | 174,681
Accrued expenses and other liabilities |  |  |  |  | ¥ (11,108)

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