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share-based compensation - General options (Details)	12 Months Ended
	Dec. 31, 2020
Minimum | Share option awards
share-based compensation
Vesting period	3 years

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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No definition available.

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- Definition

The typical vesting life of awards in a share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days

+ References

No definition available.

+ Details

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- Details

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