Summary of significant accounting policies - Deferred contract costs (Details) |
Dec. 31, 2022 |
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| Accounting Policies [Abstract] | |
| Capitalized contract cost, amortization period | 3 years |
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- References No definition available.
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- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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