Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Accrued Expenses and Other Current Liabilities (Detail)

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Summary of Significant Accounting Policies - Accrued Expenses and Other Current Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Accounting Policies [Abstract]    
Accrued compensation, payroll taxes and benefits $ 10,317us-gaap_EmployeeRelatedLiabilitiesCurrent $ 8,145us-gaap_EmployeeRelatedLiabilitiesCurrent
Current portion of liabilities related to acquisitions 3,905us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities 4,216us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
Other current liabilities 8,683us-gaap_OtherLiabilitiesCurrent 10,761us-gaap_OtherLiabilitiesCurrent
Total accrued expenses and other current liabilities $ 22,905rp_AccruedExpensesAndOtherCurrentLiabilities $ 23,122rp_AccruedExpensesAndOtherCurrentLiabilities