Summary of Significant Accounting Policies - Consolidation (Details)	Dec. 31, 2021
Minimum
Principles of consolidation
Voting interest for consolidation (as a percent)	50.00%
Equity method ownership (as a percent)	20.00%
Maximum
Principles of consolidation
Equity method ownership (as a percent)	50.00%
Voting interest ownership for using measurement alternative cost method (as a percent)	20.00%

The percentage of ownership of common stock or equity participation in the voting interest entity for consolidation of the financial statements of the investee.

No definition available.

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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.

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- Definition

The percentage of ownership of common stock or equity participation in the voting interest entity below which the investment is accounted for using the measurement alternative method udner which the investment is recorded at the cost basis, less impairments, if any, plus or minus observable price changes of identical or similar investments of the same issuer.

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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