Prepayments and Other Current Assets - Summary of prepayments and other current assets (Details) - CNY (¥) ¥ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Prepaid Expense And Other Assets Current [Abstract]
Prepaid rental and deposits	¥ 15,798	¥ 8,695
Prepayments to suppliers and other business related expenses	19,383	23,896
Receivables related to exercise of employee options	4,105	4,696
Costs to fulfill contracts with customers	5,087	89
Others	4,990	5,470
Total	¥ 49,363	¥ 42,846

The amount of prepaid rental and deposits

No definition available.

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- Definition

The amount of other prepayment and other current asset

+ References

No definition available.

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- Definition

The amount of prepayments to suppliers and other business related expenses

+ References

No definition available.

+ Details

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- Definition

The amount of receivables related to exercise of employee options

+ References

No definition available.

+ Details

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

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- References

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