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Fair Value Measurement - Significant unobservable inputs (Details)	Dec. 31, 2020
Fair value on recurring basis | Measurement Input, Default Rate [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Reasonable operating profit margin	10

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- Definition

The reasonable operating profit margin.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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