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ORGANIZATION AND BASIS OF PRESENTATION (Narrative) (Details) ¥ in Thousands, $ in Thousands |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 13, 2019 USD ($) | Nov. 13, 2019 CNY (¥) | Jul. 10, 2018 shares | Apr. 06, 2017 CNY (¥) | Jul. 31, 2018 CNY (¥) | Jun. 30, 2018 CNY (¥) | Nov. 30, 2017 CNY (¥) | Apr. 30, 2017 CNY (¥) | Nov. 30, 2016 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 shares | Dec. 31, 2015 shares | Dec. 31, 2019 CNY (¥) | Nov. 18, 2019 CNY (¥) | Jul. 22, 2019 CNY (¥) | Mar. 31, 2019 USD ($) | Mar. 31, 2019 CNY (¥) | Jun. 29, 2018
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Contributed |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 10,000 |  |  |  |  |  |  |  |
Capital injected amount |  |  |  |  |  |  |  |  |  |  | ¥ 0 | ¥ 1,500,000 | 0 |  |  |  |  |  |  |  |
Stock Repurchased During Period, Shares | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 967,408 | 614,033 |  |  |  |  |  |
Payments to Acquire Equity Method Investments |  |  |  |  |  |  |  |  |  | $ 0 | 0 | 15,000 | 97,799 |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  | 6,146 |  | 366,204 |  |  |  | ¥ 42,788 |  |  |  |  |
Common Unit Value Authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,009,000 |  |  |  |  |
Allowance for Doubtful Accounts Receivable, Current |  |  |  |  |  |  |  |  |  | 1,027 |  | 3,585 |  |  |  | 7,147 |  |  |  |  |
Mandatorily redeemable noncontrolling interest |  |  |  |  |  |  |  |  |  | $ 0 |  | ¥ 434,216 |  |  |  | ¥ 0 |  |  |  |  |
Guofu Huimei Investment Management Limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  | ¥ 746,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ZR Group [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Ownership in Equity Interest To Be Repurchased |  |  |  |  |  |  |  | 75.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration To Be Made on Acquisition of Equity Interest |  |  |  |  |  |  |  | ¥ 521,396 |  |  |  |  |  |  |  |  |  |  |  |  |
ZR Group [Member] | ZR ConcordHealthcare Investment Fund SP ("SP") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration To Be Made on Acquisition of Equity Interest |  |  |  |  |  |  |  |  | ¥ 521,396 |  |  |  |  |  |  |  |  |  |  |  |
Creditor's rights settled for acquisition of equity interest |  |  |  |  |  |  |  |  | 166,299 |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  | 7,500 |  |  |  |  |  |  |  |  |  |  |  |
ZR Guofu [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest withdrawn | 77.18% | 77.18% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration | $ 60,578 | ¥ 421,730 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period of equity interest repurchased |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |
Creditor's rights settled for acquisition of equity interest |  |  |  |  |  |  | ¥ 97,106 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration for repurchase of equity interest |  |  |  |  |  |  |  |  | ¥ 521,396 |  |  |  |  |  |  |  |  |  |  |  |
Annual Premium Percentage to be Paid |  |  |  |  |  |  |  |  | 15.00% |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital Account, Contributions |  |  |  |  |  |  |  |  |  |  | 746,001 |  |  |  |  |  |  |  |  |  |
Percentage Of Interest In Partnership |  |  |  |  |  |  |  |  |  | 73.93% |  |  |  |  |  | 73.93% |  |  |  |  |
ZR Guofu [Member] | Guofu Huimei Investment Management Limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital Account, Contributions |  |  |  |  | ¥ 746,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shanghai Rongchi Medical Management Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Unit Value Authorized |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 695,305 |  |  |  |  |  |  |  |
The Group [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital Account, Contributions |  |  |  |  |  |  |  |  |  |  | 262,999 |  |  |  |  |  |  |  |  |  |
Percentage Of Interest In Partnership |  |  |  |  |  |  |  |  |  | 26.07% |  |  |  |  |  | 26.07% |  |  |  |  |
SH MZJH |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Contributed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 34,540 |
Percentage of equity interest sold |  |  |  |  |  |  |  |  |  |  |  | 56.77% |  |  |  |  |  |  | 78.34% | 78.34% |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  | 27,000 |  |  |  |  |  |  |  |  |  |
SH MZJH | ZR ConcordHealthcare Investment Fund SP ("SP") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Creditor's rights settled for acquisition of equity interest |  |  |  |  |  |  |  |  |  |  | ¥ 82,100 |  |  |  |  |  |  |  |  |  |
Beijing Century Friendship Science and Technology Development Co., Ltd. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest sold |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21.69%
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  |  |  |  |  |  |  |  | 78.31% |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 388,500 |  |  |  |  |  |  |  |
Beijing Century Friendship Science and Technology Development Co., Ltd. [Member] | Guofu Huimei Investment Management Limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  | ¥ 388,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beijing Century Friendship Science and Technology Development Co., Ltd. [Member] | Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of Stock, Percentage of Ownership after Transaction |  |  |  |  |  |  |  |  |  | 85.34% | 85.34% |  |  |  |  |  |  |  |  |  |
Shanghai Meizhongjiahe ProMed Cancer Centers Co., Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest sold |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  |  |  |  |  |  |  |  | 54.80% |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 182,100 |  |  |  |  |  |  |  |
Tianjin Jiatai Entity Management limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  |  |  |  |  |  |  |  | 28.77% |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 106,500 |  |  |  |  |  |  |  |
SH MZJH |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Contributed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,105 | ¥ 34,540 |
Percentage of equity interest sold |  |  |  |  |  |  |  |  |  |  |  | 56.77% |  |  |  |  |  |  | 78.34% | 78.34% |
CCM (Hong Kong) Medical Investments Limited ("CCM (HK)") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  | 100.00% |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  | 100.00% |  |  |  |  |
Zhongjin Jiatai [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  |  |  |  |  |  |  | 60.00% |  |  |  |  |  | 60.00% |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  |  | 60.00% |  |  |  |  |  | 60.00% |  |  |  |  |
Shanghai Medstar Financial Leasing Company Limited ("Shanghai Medstar") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  | 100.00% |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  | 100.00% |  |  |  |  |
Beijing Proton Medical Center Co Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  |  |  |  |  |  |  | 58.00% |  |  |  |  |  | 58.00% |  |  |  |  |
Percentage of equity interest sold |  |  |  |  |  | 80.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  |  |  |  |  |  |  |  | 55.00% |  |  |  |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  |  | 58.00% |  |  |  |  |  | 58.00% |  |  |  |  |
Beijing Century Friendship Science and Technology Development Co., Ltd. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  |  |  |  |  |  |  |  |  |  | 42.10% |  |  |  |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  | 42.10% |  |  |  |  |  |  |  |
Beijing Century Friendship Science and Technology Development Co., Ltd. [Member] | Guofu Huimei Investment Management Limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 78.31% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tianjin Jiatai Group [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Contributed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 27,000 |  |  |
Percentage of equity interest sold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90.00% |  |  |
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 434,216 |  |  |  |
Tianjin Concord Medical Technology Limited ("Tianjin Concord Medical") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  | 100.00% |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  | 100.00% |  |  |  |  |
Tianjin Jiatai Entity Management limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  | 100.00% |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  | 100.00% |  |  |  |  |
Guangzhou Concord Medical Cancer Hospital Co Ltd [Member] | ZR Guofu [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Shares Acquire for Business |  |  |  |  |  |  |  |  | 70.00% |  |  |  |  |  |  |  |  |  |  |  |
PTC Houston Management [Member] | ZR Guofu [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Shares Acquire for Business |  |  |  |  |  |  |  |  | 59.51% |  |  |  |  |  |  |  |  |  |  |  |
CCM Hospital Business [Member] | ZR Guofu [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Shares Acquire for Business |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |
Beijing MeizhongJiahe Hospital Management Co., Ltd. ("MHM") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  | ¥ 1,500,000 |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares |  |  | 100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beijing MeizhongJiahe Hospital Management Co., Ltd. ("MHM") [Member] | Beijing Century Friendship Science and Technology Development Co., Ltd. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage Of Interest In Partnership |  |  |  |  |  | 78.31% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beijing MeizhongJiahe Hospital Management Co., Ltd. ("MHM") [Member] | Shanghai Meizhongjiahe ProMed Cancer Centers Co., Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  | ¥ 182,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beijing MeizhongJiahe Hospital Management Co., Ltd. ("MHM") [Member] | CCIC Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares |  |  | 60,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beijing MeizhongJiahe Hospital Management Co., Ltd. ("MHM") [Member] | Other Investor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares |  |  | 40,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beijing MeizhongJiahe Hospital Management Co., Ltd. ("MHM") [Member] | Beijing Proton Medical Center Co Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  |  |  | 55.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  | 55.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  | ¥ 388,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beijing MeizhongJiahe Hospital Management Co., Ltd. ("MHM") [Member] | Shanghai Meizhong Jiahe Cancer Center Co Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  |  |  | 54.80% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  | 54.80% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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