Amount of obligations incurred and payable, pertaining to costs that are statutory in nature, incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include, but not limited to, taxes, interest, rent and utilities. Also includes the aggregate carrying amount of liabilities not separately disclosed.

No definition available.

CONDENSED FINANCIAL INFORMATION OF THE PARENT COMPANY (Schedule of Condensed Balance Sheets) (Details) In Thousands, unless otherwise specified	Dec. 31, 2014 USD ($)	Dec. 31, 2014 CNY	Dec. 31, 2013 USD ($)	Dec. 31, 2013 CNY	Dec. 31, 2012 CNY	Dec. 31, 2011 CNY	Dec. 31, 2014 Class A Ordinary shares [Member] USD ($)	Dec. 31, 2014 Class A Ordinary shares [Member] CNY	Dec. 31, 2013 Class A Ordinary shares [Member] CNY	Dec. 31, 2014 Class B Ordinary shares [Member] USD ($)	Dec. 31, 2014 Class B Ordinary shares [Member] CNY	Dec. 31, 2013 Class B Ordinary shares [Member] CNY	Dec. 31, 2014 Parent Company [Member] USD ($)	Dec. 31, 2014 Parent Company [Member] CNY	Dec. 31, 2013 Parent Company [Member] USD ($)	Dec. 31, 2013 Parent Company [Member] CNY	Dec. 31, 2012 Parent Company [Member] CNY	Dec. 31, 2011 Parent Company [Member] CNY	Dec. 31, 2014 Parent Company [Member] Class A Ordinary shares [Member] USD ($)	Dec. 31, 2014 Parent Company [Member] Class A Ordinary shares [Member] CNY	Dec. 31, 2013 Parent Company [Member] Class A Ordinary shares [Member] CNY	Dec. 31, 2014 Parent Company [Member] Class B Ordinary shares [Member] USD ($)	Dec. 31, 2014 Parent Company [Member] Class B Ordinary shares [Member] CNY	Dec. 31, 2013 Parent Company [Member] Class B Ordinary shares [Member] CNY
Current assets:
Cash and cash equivalents	$ 78,257	485,556	$ 87,728	544,318	31,555	63,930							$ 15,109	93,748	$ 59,623	369,936	3,500	649
Time deposits	67,031us-gaap_TimeDepositsAtCarryingValue	415,903us-gaap_TimeDepositsAtCarryingValue		121,085us-gaap_TimeDepositsAtCarryingValue									60,028	372,450		121,085
Other current assets	1,754us-gaap_OtherAssetsCurrent	10,880us-gaap_OtherAssetsCurrent		7,485us-gaap_OtherAssetsCurrent									962	5,964		194
Amounts due from intergroup companies													8,248	51,178		1,559
Total current assets	202,494us-gaap_AssetsCurrent	1,256,403us-gaap_AssetsCurrent		909,876us-gaap_AssetsCurrent									84,347	523,340		492,774
Non-current assets:
Investment in subsidiaries and VIEs													99,770	619,032		335,566
Property and equipment, net	6,620us-gaap_PropertyPlantAndEquipmentNet	41,075us-gaap_PropertyPlantAndEquipmentNet		36,213us-gaap_PropertyPlantAndEquipmentNet									74	462		527
Total non-current assets	10,200us-gaap_AssetsNoncurrent	63,289us-gaap_AssetsNoncurrent		48,424us-gaap_AssetsNoncurrent									99,844	619,494		336,093
TOTAL ASSETS	212,694us-gaap_Assets	1,319,692us-gaap_Assets		958,300us-gaap_Assets									184,191	1,142,834		828,867
Current liabilities:
Accrued payroll and welfare payable	4,936	30,634		13,012									10	62
Accrued expenses and other liabilities	19,016	117,992		88,246									1,807	11,217		12,098
Amounts due to intergroup companies													2,246	13,933		7,349
Total current liabilities	25,443us-gaap_LiabilitiesCurrent	157,876us-gaap_LiabilitiesCurrent		118,567us-gaap_LiabilitiesCurrent									4,063	25,212		19,447
TOTAL LIABILITIES	32,566us-gaap_Liabilities	202,070us-gaap_Liabilities		148,880us-gaap_Liabilities									4,063	25,212		19,447
Shareholders' equity:
Ordinary shares, value							14	85	20	6	36	94							14	85	20	6	36	94
Additional paid-in capital	178,293us-gaap_AdditionalPaidInCapital	1,106,234us-gaap_AdditionalPaidInCapital		967,233us-gaap_AdditionalPaidInCapital									178,293	1,106,234		967,233
Accumulated other comprehensive income	3,648	22,637		10,492									3,648	22,637		10,492
Accumulated deficit	(1,833)	(11,370)		(168,419)									(1,833)	(11,370)		(168,419)
Total shareholder's equity	180,128us-gaap_StockholdersEquity	1,117,622us-gaap_StockholdersEquity		809,420us-gaap_StockholdersEquity									180,128	1,117,622		809,420
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 212,694	1,319,692		958,300									$ 184,191	1,142,834		828,867