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Restricted Assets - Additional Information (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Workers' Compensation Insurance and Reserves [Line Items]
Profit after taxation transferred to general reserve fund	10.00%
Maximum profit after taxation transferred to general reserve fund	50.00%
General reserve fund of PRC subsidiaries	¥ 291,172	¥ 269,652
Restricted share capital of PRC subsidiaries	1,473,886	1,501,288
Restricted net assets	1,771,647	1,773,440
Variable Interest Entity, Primary Beneficiary
Workers' Compensation Insurance and Reserves [Line Items]
Restricted net assets	¥ 627,567	¥ 655,509

X

- Definition

Legal Reserves

+ References

No definition available.

+ Details

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- Definition

Maximum Requirement Of Each Of Entitys Subsidiaries After Tax Profits To Be Allocated To General Reserve Fund As Percentage Of Each Subsidiaries Registered Capital

+ References

No definition available.

+ Details

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- Definition

Required Percentage of Entitys After Tax Profits to Allocate to Statutory Common Reserve

+ References

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- Definition

Workers' Compensation Insurance and Reserves [Line Items]

+ References

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X

- Definition

Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e)(3)(ii))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Disclosure of the amount of equity that is restricted to use by regulation or agreement.

+ References

No definition available.

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