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SHAREHOLDERS' EQUITY (Details) $ / shares in Units, ¥ in Thousands, $ in Thousands |  |  |  |  |  | 1 Months Ended | 12 Months Ended
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Dec. 11, 2015 $ / shares | Sep. 30, 2015 USD ($) | Sep. 30, 2015 CNY (¥) | Aug. 10, 2015 USD ($) $ / shares | Jul. 28, 2014 $ / shares | Jan. 07, 2014 $ / shares | Nov. 30, 2014 CNY (¥) | Apr. 30, 2014 CNY (¥) | Dec. 31, 2015 USD ($) $ / shares shares | Dec. 31, 2015 CNY (¥) shares | Dec. 31, 2014 $ / shares shares | Dec. 31, 2013 USD ($) $ / shares shares
Consideration to repurchase shares | $ |  |  |  |  |  |  |  |  | $ 3,111 |  |  | $ 982
Date declared |  |  |  |  | Jul. 28, 2014 | Jan. 07, 2014 |  |  |  |  |  |
Amount of dividend paid |  | $ 44,484 | ¥ 288,157 |  |  |  | ¥ 251,979 | ¥ 201,583 | $ 44,065 | ¥ 285,444 |  |
Special dividend per share |  |  |  |  | $ 0.30 | $ 0.24 |  |  | $ 0.00 |  | $ 0.00 | $ 0.00
Dividends payable, date to be paid |  |  |  |  | 2014-11 | 2014-04 |  |  |  |  |  |
Ordinary shares [Member] |  |  |  |  |  |  |  |  |  |  |  |
Shares repurchased | shares |  |  |  |  |  |  |  |  | 1,842,099 | 1,842,099 |  | 651,108
Special dividend per share | $ 0.33 |  |  |  |  |  |  |  |  |  |  |
American Depositary Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |
Shares repurchased | shares |  |  |  |  |  |  |  |  | 614,033 | 614,033 | 0 | 217,036
American Depositary Shares [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Consideration to repurchase shares | $ |  |  |  | $ 20,000 |  |  |  |  |  |  |  |
Price per share |  |  |  | $ 7.99 |  |  |  |  |  |  |  |

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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