PREPAID LAND LEASE PAYMENTS (Narrative) (Details) ¥ in Thousands, $ in Thousands |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Dec. 31, 2017
CNY (¥)
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
CNY (¥)
|
Dec. 31, 2015
CNY (¥)
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
|
| Operating Leased Assets [Line Items] | ||||||
| Amortization of intangible assets | ¥ 5,256 | $ 808 | ¥ 1,195 | ¥ 1,090 | ||
| Prepaid Expense Other, Noncurrent | 456,823 | 445,444 | $ 70,212 | $ 0 | ||
| Debt Instrument, Collateral Amount | 37,481 | 111,728 | 5,761 | |||
| Secured Debt, Other | 29,725 | ¥ 78,445 | 4,569 | |||
| Redeemable Noncontrolling Interest, Equity, Redemption Value | 396,281 | 60,907 | $ 0 | |||
| Wuxi Concord Medical Development Ltd [Member] | ||||||
| Operating Leased Assets [Line Items] | ||||||
| Prepaid Expense Other, Noncurrent | ¥ 11,379 | $ 1,749 | ||||