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TAXATION - Movement of valuation allowance (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)
TAXATION
Balance at the beginning of year	¥ (623,044)	$ (85,357)	¥ (565,022)
Change of valuation allowance in the current year	(128,326)	(17,580)	(58,022)
Balance at the end of year	¥ (751,370)	$ (102,937)	¥ (623,044)

X

- Definition

Amount of valuation allowance on deferred tax assets.

+ References

No definition available.

+ Details

Name:	ccm_DeferredTaxValuationAllowance
Namespace Prefix:	ccm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

+ Details

Name:	us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration