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COMMITMENTS AND CONTINGENCIES - LEASES AND COMMITMENTS (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2013 | Dec. 31, 2015 CNY (¥)
Leases, Operating [Abstract] |  |  |  |
Total rental expense for offices | $ 12,101 | ¥ 78,386 |  |
Total other operating lease expenses | 34,081 | ¥ 220,770 |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |
2016 | 25,268 |  |  | ¥ 163,683
2017 | 9,575 |  |  | 62,023
2018 | 8,782 |  |  | 56,889
2019 | 8,090 |  |  | 52,405
2020 | 5,651 |  |  | 36,604
Thereafter | 283 |  |  | 1,830
Total | $ 57,649 |  |  | 373,434
Licensing fee commitments |  |  |  |
Licensing Fee Commitment [Abstract] |  |  |  |
Licensing fee commitment term | 2 years | 2 years | 3 years |
Contractual Obligation, Fiscal Year Maturity [Abstract] |  |  |  |
2016 | $ 342 |  |  | 2,222
Total | $ 342 |  |  | ¥ 2,222

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- Definition Term of the authorization and licensing agreements the Group entered into for the right to use, redevelop and sub-license certain internet security software, in PnYnMnDTnHnMnS' format. + References No definition available. + Details
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- Definition Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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