Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Assets under Capital Lease (Detail)

v2.4.1.9
Commitments and Contingencies - Assets under Capital Lease (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Capital Leased Assets [Line Items]    
Less: Accumulated amortization $ (1,110)us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation $ (565)us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation
Assets under capital lease, net 867us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet 1,412us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet
Software    
Capital Leased Assets [Line Items]    
Assets under capital lease, Gross $ 1,977us-gaap_CapitalLeasedAssetsGross
/ rp_CapitalLeasesTypeAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
$ 1,977us-gaap_CapitalLeasedAssetsGross
/ rp_CapitalLeasesTypeAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember