XML 110 R60.htm IDEA: XBRL DOCUMENT v2.4.1.9
Reconciliation Between Statutory Tax Rate to Income Before Income Taxes and Actual Provision for Income Taxes (Detail)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Tax Rate Reconciliation [Line Items]    
PRC income tax rate 25.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 25.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Expenses not deductible for tax purposes 0.38%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense 0.29%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense
Effect of tax-free investment income (0.62%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome (1.35%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome
Effect of uncertain tax positions 0.17%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther 0.25%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther
Effect of different tax rate of subsidiary operation in other jurisdiction (0.07%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (0.60%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
Effect of reversal of deferred tax asset allowance   (0.78%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Effect of nondeductible accumulative losses 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses
Effect of others 0.29%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 1.07%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent, Total 25.15%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 23.88%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate