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Long-term Investments, Net (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 CNY (¥)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018 CNY (¥)
Long-term Investments [Abstract]
Investment gain of alternative measure method investments	¥ 0		¥ 0	¥ 34,200,000
Carrying value of equity investments without readily determinable fair value	1,791,393,000		666,025,000	793,149,000
Impairment charges for long-term investments	8,000,000.0	$ 1,226	5,900,000	46,375,000
Investment income (loss) related to short-term investments	50,500,000		24,200,000	0
Fair value change on financial products with original maturities greater than one year	¥ 24,900,000		¥ 13,200,000	¥ (2,900,000)

X

- Definition

Amount of unrealized gain (loss) on investment in financial products with maturities great than one year.

+ References

No definition available.

+ Details

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X

- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income or loss and dividend income or loss on nonoperating securities of short term investments.

+ References

No definition available.

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120269885&loc=SL75117539-209714

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- Definition

Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=120269885&loc=SL75117539-209714

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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 8A
-URI http://asc.fasb.org/extlink&oid=121553693&loc=SL6284422-111562

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- References

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