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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2016 CNY (¥) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥) Segment
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Noon buying rate | 6.9430 |  |  |
Interest and other costs relating to construction capitalized | ¥ 1,956 | $ 282 | ¥ 1,376 |
Impairment on long-lived assets | 61,124 | 8,804 | 23,125 |
Lease and management services revenue | 378,723 | 54,547 | 525,208 | 511,591
Management services revenue | 20,631 | 2,972 | 21,596 | 37,713
Revenue from technical services | 17,543 | 2,527 | 21,449 | 20,777
Financing lease income | 14,100 | 2,031 | 23,259 | 29,250
Medical equipment sales | 5,456 | 786 | 6,234 | 7,552
Taxes and related surcharges | 5,854 | 843 | 22,237 | 24,038
Advertising expenses | 6,635 | 956 | 15,205 | ¥ 6,680
Fair value of derivative instruments | ¥ | 688 |  |  |
Number of reporting segments | Segment |  |  |  | 1
Royalty revenue fees | ¥ 7,076 | $ 1,019 |  |
Minimum [Member] |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Leases and management service arrangements, term | 5 years | 5 years |  |
Maximum [Member] |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Leases and management service arrangements, term | 20 years | 20 years |  |
Prepaid Land Lease Rights [Member] |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Amortization period | 49 years | 49 years |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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