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.

Parent Company Only Condensed Financial Information - Condensed Balance Sheets (Detail) 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 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
Current assets:
Cash	$ 77,150us-gaap_Cash	478,682us-gaap_Cash	$ 45,617us-gaap_Cash	283,033us-gaap_Cash	75,382us-gaap_Cash	219,078us-gaap_Cash	$ 28,225	175,125	$ 31,435	195,038	7,301	8,869
Amounts due from subsidiaries				10,265us-gaap_DueFromRelatedPartiesCurrent			60,316	374,237		386,909
Total current assets	235,903us-gaap_AssetsCurrent	1,463,682us-gaap_AssetsCurrent		1,300,010us-gaap_AssetsCurrent			88,541	549,362		581,947
Non-current assets:
Investment in subsidiaries							355,186	2,203,785		2,063,610
Deferred cost, non current	505us-gaap_DeferredCosts	3,134us-gaap_DeferredCosts		740us-gaap_DeferredCosts			462	2,867
Total assets	476,959us-gaap_Assets	2,959,332us-gaap_Assets		4,093,557us-gaap_Assets			444,189	2,756,014		2,645,557
Current liabilities:
Short-term bank borrowings							49,500	307,128		390,464
Accrued expenses and other liabilities	20,983	130,193		146,489			7,401	45,920		6,421
Amounts due to subsidiaries				3,217us-gaap_DueToRelatedPartiesCurrent			67,019	415,826		126,679
Total current liabilities	124,072us-gaap_LiabilitiesCurrent	769,819us-gaap_LiabilitiesCurrent		1,174,659us-gaap_LiabilitiesCurrent			123,920	768,874		523,564
Long-term bank borrowings	54,069us-gaap_LongTermDebtNoncurrent	335,479us-gaap_LongTermDebtNoncurrent		324,974us-gaap_LongTermDebtNoncurrent			30,554	189,591
Total liabilities	186,840us-gaap_Liabilities	1,159,274us-gaap_Liabilities		1,659,840us-gaap_Liabilities			154,474	958,465		523,564
Shareholders' equity:
Ordinary shares (par value of US$0.0001 per share; authorized shares-500,000,000; issued shares-142,353,532 as of December 31, 2013 and 2014; outstanding shares-134,836,300 and 134,836,300 as of December 31, 2013 and 2014, respectively)	17us-gaap_CommonStockValue	105us-gaap_CommonStockValue		105us-gaap_CommonStockValue			17	105		105
Treasury stock (7,517,232 and 7,517,232 as of December 31, 2013 and 2014, respectively)	(1)us-gaap_TreasuryStockValue	(5)us-gaap_TreasuryStockValue		(5)us-gaap_TreasuryStockValue			(1)	(5)		(5)
Additional paid-in capital	334,288	2,074,125		2,520,338			334,288	2,074,125		2,520,338
Accumulated other comprehensive loss	(3,006)	(18,651)		(15,283)			(3,006)	(18,651)		(15,283)
Accumulated deficit	(41,583)	(258,025)		(383,162)			(41,583)	(258,025)		(383,162)
Total shareholders' equity	289,715us-gaap_StockholdersEquity	1,797,549us-gaap_StockholdersEquity		2,121,993us-gaap_StockholdersEquity			289,715	1,797,549		2,121,993
Total liabilities and shareholders' equity	$ 476,959	2,959,332		4,093,557			$ 444,189	2,756,014		2,645,557