Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v2.4.1.9
Income Taxes - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Schedule Of Income Taxes [Line Items]      
Valuation allowance reversal   $ (9,200,000)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount  
Deferred tax liability, net 32,641,000us-gaap_DeferredTaxLiabilities 31,334,000us-gaap_DeferredTaxLiabilities  
Deferred tax liability related to intangibles not amortizable for tax purposes 21,965,000us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets 23,871,000us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets  
Deferred tax asset related to net operating loss carryforwards 22,348,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 16,106,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards  
Deferred tax liabilities, other 2,459,000us-gaap_DeferredTaxLiabilitiesOther 2,055,000us-gaap_DeferredTaxLiabilitiesOther  
Unrecognized benefit from equity compensation 12,238,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 10,873,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost  
Excess tax benefit from stock options 2,248,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation    
Deferred tax assets operating loss carryforwards, federal 183,800,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic    
Deferred tax assets operating loss carryforwards, state 7,300,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal    
Operating losses carryforwards attributable to deductions originating from exercise of non-qualified employee stock options 129,200,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits    
Net operating income (loss) (15,503,000)us-gaap_OperatingIncomeLoss 21,559,000us-gaap_OperatingIncomeLoss 11,448,000us-gaap_OperatingIncomeLoss
Undistributed earnings related to foreign subsidiaries 3,500,000us-gaap_UndistributedEarningsOfForeignSubsidiaries    
Income tax examinations and adjustments minimum year 3 years    
Increase (Decrease) in NOL deferred tax asset (1,000,000)rp_IncreaseDecreaseinDeferredTaxAssetNetOperatingLossCarryforward    
Kigo      
Schedule Of Income Taxes [Line Items]      
Additional net deferred tax liability 500,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= rp_KigoIncMember
   
Deferred tax liability related to intangibles not amortizable for tax purposes 1,400,000us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
/ us-gaap_BusinessAcquisitionAxis
= rp_KigoIncMember
   
Deferred tax asset related to net operating loss carryforwards 1,000,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
/ us-gaap_BusinessAcquisitionAxis
= rp_KigoIncMember
   
Rent Sentinel      
Schedule Of Income Taxes [Line Items]      
Additional net deferred tax asset 200,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= rp_RentSentinelMember
   
Deferred tax liability related to intangibles not amortizable for tax purposes 1,800,000us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
/ us-gaap_BusinessAcquisitionAxis
= rp_RentSentinelMember
   
Deferred tax asset related to net operating loss carryforwards 2,100,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
/ us-gaap_BusinessAcquisitionAxis
= rp_RentSentinelMember
   
Deferred tax liabilities, other 100,000us-gaap_DeferredTaxLiabilitiesOther
/ us-gaap_BusinessAcquisitionAxis
= rp_RentSentinelMember
   
MyBuilding Inc.      
Schedule Of Income Taxes [Line Items]      
Deferred tax liability, net 800,000us-gaap_DeferredTaxLiabilities
/ us-gaap_BusinessAcquisitionAxis
= rp_MyBuildingInc.Member
   
Deferred tax liability related to intangibles not amortizable for tax purposes 1,200,000us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
/ us-gaap_BusinessAcquisitionAxis
= rp_MyBuildingInc.Member
   
Deferred tax asset related to net operating loss carryforwards 300,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
/ us-gaap_BusinessAcquisitionAxis
= rp_MyBuildingInc.Member
   
Deferred tax assets, other 100,000us-gaap_DeferredTaxAssetsOther
/ us-gaap_BusinessAcquisitionAxis
= rp_MyBuildingInc.Member
   
INDIA      
Schedule Of Income Taxes [Line Items]      
Tax holiday expiration date Mar. 31, 2011    
PHILIPPINES      
Schedule Of Income Taxes [Line Items]      
Tax holiday expiration year 2015    
Federal      
Schedule Of Income Taxes [Line Items]      
Net operating loss carryforwards, expiration year 2020    
Income tax year no longer subject to examinations 2011    
State      
Schedule Of Income Taxes [Line Items]      
Income tax year no longer subject to examinations 2010    
Additional Paid-in Capital      
Schedule Of Income Taxes [Line Items]      
Unrecognized benefit from equity compensation 129,000,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
   
Excess tax benefit from stock options 2,248,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
   
Subsidiaries before acquisition      
Schedule Of Income Taxes [Line Items]      
Net operating income (loss) $ (23,900,000)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember