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LEASE (Lease income) (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2020 USD ($)
Sales-type leases
Lessee, Lease, Description [Line Items]
Interest income on net investment in the lease	¥ 5,210	$ 818	¥ 4,130	$ 633
Including: Income relating to variable lease payments not included in the measurement of the net investment in a lease	5,210	818	4,130	633
Direct financing leases
Lessee, Lease, Description [Line Items]
Interest income on net investment in the lease	1,361	214	2,929	449
Operating leases
Lessee, Lease, Description [Line Items]
Lease income relating to lease payments	35,913	5,635	45,847	7,026
Including: Income relating to variable lease payments not included in the measurement of lease receivable	¥ 33,793	$ 5,303	¥ 38,999	$ 5,977

X

- Definition

The amount represents interest income on net investment in the lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	ccm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount represents interest income relating to variable lease payments not included in lease receivable.

+ References

No definition available.

+ Details

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Namespace Prefix:	ccm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount represents interest income relating to variable lease payments not included in net investment.

+ References

No definition available.

+ Details

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Namespace Prefix:	ccm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount represents lease income relating to lease payments.

+ References

No definition available.

+ Details

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Namespace Prefix:	ccm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- 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.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Details

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X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ccm_DirectFinancingLeasesMember
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Period Type:

X

- Details

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