Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v2.4.1.9
Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2014
Entity
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Customer
Entity
Dec. 31, 2013
Customer
Dec. 31, 2012
Customer
Schedule Of Significant Accounting Policies [Line Items]                      
Operating income (loss)                 $ (15,503,000)us-gaap_OperatingIncomeLoss $ 21,559,000us-gaap_OperatingIncomeLoss $ 11,448,000us-gaap_OperatingIncomeLoss
Net (loss) income 110,000us-gaap_NetIncomeLoss (3,257,000)us-gaap_NetIncomeLoss (6,291,000)us-gaap_NetIncomeLoss (836,000)us-gaap_NetIncomeLoss 2,178,000us-gaap_NetIncomeLoss 12,886,000us-gaap_NetIncomeLoss 4,610,000us-gaap_NetIncomeLoss 1,018,000us-gaap_NetIncomeLoss (10,274,000)us-gaap_NetIncomeLoss 20,692,000us-gaap_NetIncomeLoss 5,183,000us-gaap_NetIncomeLoss
Number of customer accounted for 10% or more of revenue                 0rp_EntityWideRevenueMajorCustomerNumber 0rp_EntityWideRevenueMajorCustomerNumber 0rp_EntityWideRevenueMajorCustomerNumber
Bed debt expense                 1,500,000us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs 2,100,000us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs 800,000us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Primary sources of revenue 3rp_PrimarySourcesOfRevenue               3rp_PrimarySourcesOfRevenue    
Revenue recognition access period                 3 years    
Renewal of additional term license                 1 year    
Advertising costs                 15,100,000us-gaap_AdvertisingExpense 11,400,000us-gaap_AdvertisingExpense 10,200,000us-gaap_AdvertisingExpense
Minimum | Software and Software Development Costs                      
Schedule Of Significant Accounting Policies [Line Items]                      
Property plant and equipment, useful life                 3 years    
Maximum | Software and Software Development Costs                      
Schedule Of Significant Accounting Policies [Line Items]                      
Property plant and equipment, useful life                 5 years    
Revised Estimated Useful Lives of Data Processing Equipment and Internally Developed Software                      
Schedule Of Significant Accounting Policies [Line Items]                      
Operating income (loss)                   3,500,000us-gaap_OperatingIncomeLoss
/ us-gaap_ChangeInAccountingEstimateByTypeAxis
= rp_RevisedEstimatedUsefulLivesofDataProcessingEquipmentandInternallyDevelopedSoftwareMember
 
Net (loss) income                   1,900,000us-gaap_NetIncomeLoss
/ us-gaap_ChangeInAccountingEstimateByTypeAxis
= rp_RevisedEstimatedUsefulLivesofDataProcessingEquipmentandInternallyDevelopedSoftwareMember
 
Increase in basic and diluted earnings per share                   $ 0.03rp_IncreaseDecreaseInEarningsPerShareBasicAndDiluted
/ us-gaap_ChangeInAccountingEstimateByTypeAxis
= rp_RevisedEstimatedUsefulLivesofDataProcessingEquipmentandInternallyDevelopedSoftwareMember
 
Length of Expected Customer Benefit of License Fees Billed at Initial Order Date                      
Schedule Of Significant Accounting Policies [Line Items]                      
Operating income (loss)                   2,800,000us-gaap_OperatingIncomeLoss
/ us-gaap_ChangeInAccountingEstimateByTypeAxis
= rp_LengthofExpectedCustomerBenefitofLicenseFeesBilledatInitialOrderDateMember
 
Net (loss) income                   1,500,000us-gaap_NetIncomeLoss
/ us-gaap_ChangeInAccountingEstimateByTypeAxis
= rp_LengthofExpectedCustomerBenefitofLicenseFeesBilledatInitialOrderDateMember
 
Increase in basic and diluted earnings per share                   $ 0.02rp_IncreaseDecreaseInEarningsPerShareBasicAndDiluted
/ us-gaap_ChangeInAccountingEstimateByTypeAxis
= rp_LengthofExpectedCustomerBenefitofLicenseFeesBilledatInitialOrderDateMember
 
North America                      
Schedule Of Significant Accounting Policies [Line Items]                      
Net long-lived assets 66,500,000us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
      51,500,000us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
      66,500,000us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
51,500,000us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
 
International Subsidiaries                      
Schedule Of Significant Accounting Policies [Line Items]                      
Net long-lived assets 6,100,000us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= rp_InternationalSubsidiariesMember
      3,300,000us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= rp_InternationalSubsidiariesMember
      6,100,000us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= rp_InternationalSubsidiariesMember
3,300,000us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= rp_InternationalSubsidiariesMember
 
Revenues                      
Schedule Of Significant Accounting Policies [Line Items]                      
Percentage of revenues                 4.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
3.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
2.20%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
Trade names                      
Schedule Of Significant Accounting Policies [Line Items]                      
Impairment of indefinite lived asset                 $ 300,000us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember