LOSS PER SHARE (Schedule of Basic and Diluted Income Per Share) (Details) ¥ / shares in Units, $ / shares in Units, ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2018 CNY (¥) ¥ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 CNY (¥) ¥ / shares shares	Dec. 31, 2016 CNY (¥) ¥ / shares shares
Numerator:
Net loss attributable to Concord Medical Services Holdings Limited	¥ (234,875)	$ (34,162)	¥ (284,320)	¥ (261,867)
Accretion of contingently redeemable noncontrolling interests	(124,355)	(18,087)	0	0
Numerator for EPS computation	¥ (359,230)	$ (52,249)	(284,320)	(261,867)
Net loss attributable to ordinary shareholders used in calculating loss per ordinary share – basic and diluted \| ¥			¥ (284,320)	¥ (261,867)
Denominator:
Weighted average number of ordinary shares outstanding used in calculating loss per share - basic and diluted	130,104,787	130,104,787	130,091,977	130,631,867
Loss per share - basic and diluted \| (per share)	¥ (2.76)	$ (0.40)	¥ (2.19)	¥ (2.00)
Common Class A [Member]
Numerator:
Net loss attributable to ordinary shareholders used in calculating loss per ordinary share – basic and diluted	¥ (28,402)	$ (47,764)
Denominator:
Weighted average number of ordinary shares outstanding used in calculating loss per share - basic and diluted	118,940,054	118,940,054
Loss per share - basic and diluted \| (per share)	¥ (2.76)	$ (0.40)
Common Class B [Member]
Numerator:
Net loss attributable to ordinary shareholders used in calculating loss per ordinary share – basic and diluted	¥ (30,827)	$ (4,484)
Denominator:
Weighted average number of ordinary shares outstanding used in calculating loss per share - basic and diluted	11,164,733	11,164,733
Loss per share - basic and diluted \| (per share)	¥ (2.76)	$ (0.40)

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Amount Of Income Attributable to Common Shareholders Basic and Diluted.

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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