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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2019 CNY (¥)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Noon buying rate | 6.9618 |  |  |  | 6.9618
Description of Items to be Classified as Cash Equivalents | P90D | P90D |  |  |
Net loss | $ (50,575) | ¥ (352,092) | ¥ (259,297) | ¥ (285,684) |
Net cash used in operating activities | (28,058) | (195,347) | (38,591) | 26,732 |
Net current liabilities | 49,551 |  |  |  | ¥ 344,964
Interest Costs Incurred | 15,846 | 110,319 | 101,717 | 128,492 |
Interest and other costs relating to construction capitalized | 11,724 | 81,619 | 55,485 | 38,533 |
Impairment on long-lived assets | 10,930 | 76,089 | 5,433 | 28,600 |
Advertising expenses | 1,079 | 7,510 | 2,429 | 2,910 |
Deferred Tax Liabilities, Loss Transfer | 1,342 |  | ¥ 0 | ¥ 5,632 | ¥ 9,346
Cash inflows from credit facilities | $ 29,734 | 207,000 |  |  |
Offices and facility under leases | Minimum |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Lessee, Operating Lease, Term of Contract | 1 year |  |  |  | 1 year
Lessee, Finance Lease, Term of Contract | 1 year |  |  |  | 1 year
Offices and facility under leases | Maximum |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Lessee, Operating Lease, Term of Contract | 18 years |  |  |  | 18 years
Lessee, Finance Lease, Term of Contract | 18 years |  |  |  | 18 years
Land use rights under leases |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Lessee, Operating Lease, Term of Contract | 50 years |  |  |  | 50 years
Lessee, Finance Lease, Term of Contract | 50 years |  |  |  | 50 years
Equipment leased to others | Minimum |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Lessor, Sales-type Lease, Term of Contract | 5 years |  |  |  | 5 years
Lessor, Direct Financing Lease, Term of Contract | 5 years |  |  |  | 5 years
Equipment leased to others | Maximum |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Lessor, Sales-type Lease, Term of Contract | 20 years |  |  |  | 20 years
Lessor, Direct Financing Lease, Term of Contract | 20 years |  |  |  | 20 years
CITIC Industrial [Member] |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash inflows from investment | $ 100,549 | 700,000 |  |  |
Cash inflows from credit facilities | $ 80,066 | ¥ 557,400 |  |  |

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