BANK AND OTHER BORROWINGS (Narrative) (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2018 CNY (¥)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 CNY (¥)
Debt Instrument [Line Items]
Property and equipment pledged as collateral		$ 0	¥ 37,481
Accounts receivable used to secure bank borrowings	¥ 0	0	13,164
Net investment in direct financing leases	72,615	10,562	72,952
Restricted cash	¥ 421,990	$ 61,376	¥ 563,986
Short-term bank borrowings, weighted average interest rate	4.08%	4.08%	2.45%
Bank Loans	¥ 31,083	$ 4,521	¥ 546,519
Other Borrowings	907,031	131,922	447,426
Assets, Noncurrent	¥ 3,356,702	488,209	2,354,254
Debt Instrument, Term	1 year
Land [Member]
Debt Instrument [Line Items]
Property and equipment pledged as collateral	¥ 425,742	61,922	48,273
Construction in Progress [Member]
Debt Instrument [Line Items]
Property and equipment pledged as collateral	¥ 633,444	$ 129,894	206,244
Line of Credit Entered into by Subsidiary [Member]
Debt Instrument [Line Items]
Net investment in direct financing leases			¥ 24,224
Long-term Bank and Other Borrowings [Member]
Debt Instrument [Line Items]
Long-term bank and other borrowings, weighted average interest rate	9.81%	9.81%	12.16%
Short Term Bank Credit Lines [Member]
Debt Instrument [Line Items]
Unutilized bank credit lines	¥ 33,480	$ 4,869
Long Term Credit Facility [Member]
Debt Instrument [Line Items]
Unutilized bank credit lines	¥ 1,060,000	$ 154,171
Financing Agreement One [Member] \| Zhejiang Haiyang [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Dec. 31, 2023
Financing Agreement One [Member] \| Zhejiang Haiyang [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	3 years
Financing Agreement Two [Member] \| ZGC SCITECH Leasing Co Ltd [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Dec. 31, 2021
Financing Agreement Two [Member] \| ZGC SCITECH Leasing Co Ltd [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	5 years
Financing Agreement Two [Member] \| ZGC SCITECH Leasing Co Ltd [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	1 year

Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.

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