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Summary of Significant Accounting Policies - Fair value (Details)	Dec. 31, 2022	Dec. 31, 2021
Expected volatility
Significant unobservable inputs adopted in the valuation
Measurement input		61
Minimum | Expected volatility
Significant unobservable inputs adopted in the valuation
Measurement input	54
Maximum | Expected volatility
Significant unobservable inputs adopted in the valuation
Measurement input	61
Liquidation scenario | Probability
Significant unobservable inputs adopted in the valuation
Measurement input		35
Liquidation scenario | Minimum | Probability
Significant unobservable inputs adopted in the valuation
Measurement input	25
Liquidation scenario | Maximum | Probability
Significant unobservable inputs adopted in the valuation
Measurement input	40
Redemption scenario | Probability
Significant unobservable inputs adopted in the valuation
Measurement input		35
Redemption scenario | Minimum | Probability
Significant unobservable inputs adopted in the valuation
Measurement input	25
Redemption scenario | Maximum | Probability
Significant unobservable inputs adopted in the valuation
Measurement input	40
IPO scenario | Probability
Significant unobservable inputs adopted in the valuation
Measurement input		30
IPO scenario | Minimum | Probability
Significant unobservable inputs adopted in the valuation
Measurement input	20
IPO scenario | Maximum | Probability
Significant unobservable inputs adopted in the valuation
Measurement input	50

X

- Definition

Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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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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