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Leases (Tables) | 12 Months Ended
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Dec. 31, 2022
Leases |
Summary of effect on the consolidated balance sheet as a result of adopting ASC 842 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  | Adjustments |  |
​ | ​ | As of December 31, | ​ | due to adoption of | ​ | As of January 1,
​ | ​ | 2021 | ​ | ASC 842 | ​ | 2022
​ | ​ | RMB | ​ | RMB | ​ | RMB
ASSETS |  | ​ |  |  |  | ​
Prepayments and other current assets |  | 200,075 |  | (4,458) | (a) | 195,617
Operating lease right-of-use assets |  | — |  | 74,892 | (b) | 74,892
​ |  | ​ |  |  |  | ​
LIABILITIES |  | ​ |  |  |  | ​
Operating lease liabilities, current |  | — |  | (37,414) | (c) | (37,414)
Operating lease liabilities, non-current |  | — |  | (33,020) | (c) | (33,020)
(a) | Represents prepaid rent reclassified to operating lease right-of-use assets.
(b) | Represents operating lease right-of-use assets, which is made up of present value of operating lease payments, and the reclassification of prepaid rent from prepayments and other current assets.
(c) | Represents the recognition of operating lease liabilities, current and non-current.
Summary of components of lease cost | ​
​ | ​ | ​
​ |  | Year Ended
​ | ​ | December 31, 2022
​ | ​ | RMB
​ | ​ | ​
Operating lease cost |  | 42,622
Short-term lease cost |  | 763
Total |  | 43,385
​
​ | ​ | ​
​ |  | Year Ended
​ | ​ | December 31, 2022
​ | ​ | RMB
​ |  | ​
Selling and marketing expenses |  | 1,525
General and administrative expenses |  | 11,192
Research and development expenses |  | 30,668
Total |  | 43,385
Summary of operating lease right-of-use assets and the amortization | ​
​ | ​ | ​
​ |  | As of December 31,
​ | ​ | 2022
​ | ​ | RMB
​ | ​ | ​
Operating lease right-of-use assets |  | 123,385
Less: accumulated amortization |  | (38,059)
Total |  | 85,326
Summary of weighted average remaining lease term and weighted average discount rate | ​
​ | ​ | ​ | ​
​ |  | As of December 31, |
​ | ​ | 2022 |
​ | ​ | ​ | ​
Weighted average remaining lease term (years): |  | ​ | ​
Operating leases |  | 6.12 | ​
​ |  |  | ​
Weighted average discount rate: |  |  | ​
Operating leases |  | 7.03 | %
Schedule of future minimum lease payments | ​
​ | ​ | ​
​ |  | As of December 31,
​ | ​ | 2022
​ | ​ | RMB
​ |  | ​
2023 |  | 28,118
2024 |  | 14,596
2025 |  | 14,173
2026 |  | 12,212
2027 |  | 8,644
2028 and thereafter |  | 36,162
Total lease payments |  | 113,905
Less imputed interest |  | (30,214)
​ |  |
Present value of lease liabilities |  | 83,691
Current portion |  | 24,152
Operating lease liabilities, non-current |  | 59,539
Summary of supplemental cash flow information | ​
​ | ​ | ​
​ |  | Year Ended
​ |  | December 31, 2022
​ | ​ | RMB
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​
Operating cash flows from operating leases |  | 39,799
​ |  |
Right-of-use assets obtained in exchange for lease obligations |  |
Operating leases |  | 51,621

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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 https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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