Amount of accumulated impairment loss for property plant and equipment.

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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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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No definition available.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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PROPERTY, PLANT AND EQUIPMENT, NET (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2022 USD ($)
Property, plant and equipment, net
Property and equipment gross	¥ 4,805,293		¥ 4,398,727
Less: accumulated depreciation	(2,749,468)		(2,412,683)
Less: accumulated impairment	(19,272)		(14,337)
Net book value	2,036,553		1,971,707		$ 295,272
Depreciation expense	918,261	$ 133,135	879,729	¥ 552,798
Office building
Property, plant and equipment, net
Property and equipment gross	707,693		426,947
Vehicles
Property, plant and equipment, net
Property and equipment gross	21,821		20,360
Computer equipment
Property, plant and equipment, net
Property and equipment gross	1,049,049		1,071,326
Furniture and office equipment
Property, plant and equipment, net
Property and equipment gross	387,781		421,157
Leasehold improvement
Property, plant and equipment, net
Property and equipment gross	2,444,146		2,315,577
Construction in progress
Property, plant and equipment, net
Property and equipment gross	¥ 194,803		¥ 143,360