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Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of valuation assumptions

		For the Year Ended December 31,
		2018				2019				2020
Expected volatility			47.8%-48.4%				49.6%-52.1%				50.1%-55.0%
Weighted average volatility			48.3%				50.8%				51.9%
Expected dividends			—				—				—
Risk-free rate			2.6%-2.8%				1.4%-2.4%				0.4%-0.7%
Contractual term (in years)			6				6				6-7

Schedule of share options activities

		Employees				Senior Management				Consultants				Total				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life				Aggregate Intrinsic Value
		(In thousands)				(In thousands)				(In thousands)				(In thousands)				US$				(In years)				(RMB in thousands)
Outstanding at January 1, 2018			8,124				10,595				700				19,419				0.0001				4.80				880,197
Granted			2,587				620				—				3,207				0.0001
Exercised			(2,387	)			(5,543	)			(212	)			(8,142	)			0.0001
Forfeited			(683	)			(1,437	)			(50	)			(2,170	)			0.0001
Outstanding at December 31, 2018			7,641				4,235				438				12,314				0.0001				4.46				1,233,028
Outstanding at January 1, 2019			7,641				4,235				438				12,314				0.0001				4.46				1,233,028
Granted			2,464				730				—				3,194				0.0001
Exercised			(1,352	)			(710	)			(193	)			(2,255	)			0.0001
Forfeited			(479	)			(600	)			—				(1,079	)			0.0001
Outstanding at December 31, 2019			8,274				3,655				245				12,174				0.0001				4.13				1,581,408
Outstanding at January 1, 2020			8,274				3,655				245				12,174				0.0001				4.13				1,581,408
Granted			6,966				8,700				50				15,716				2.9007
Exercised			(2,784	)			(1,643	)			(65	)			(4,492	)			0.0001
Forfeited			(1,101	)			—				—				(1,101	)			0.4234
Outstanding at December 31, 2020			11,355				10,712				230				22,297				2.0236				5.41				12,177,047
Exercisable at December 31, 2020			830				130				155				1,115				0.0001				2.97				623,376

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- References

No definition available.

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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