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Land Use Rights (Details) - Land use rights - CNY (¥) ¥ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Land Use Rights
Cost	¥ 4,415,809	¥ 4,402,470
Incentive payment from local government	(15,000)	(15,000)
Accumulated amortization	(292,719)	(209,213)
Land use right, net	4,108,090	4,178,257
Total amortization expense	¥ 87,400	¥ 84,700	¥ 72,200

X

- Definition

Amount before cash incentive received from local government and amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

No definition available.

+ Details

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- Definition

Represents the cash incentive received from local government in order to motivate the entity to enter into land use arrangement, which incentive or inducement is to be recognized as a reduction in the cost of land use right.

+ References

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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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.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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