Annual report pursuant to Section 13 and 15(d)

Related Party - Additional Information (Detail)

Related Party - Additional Information (Detail) (Zuma Capital, USD $)
In Millions, unless otherwise specified
1 Months Ended
May 31, 2012
Zuma Capital
Related Party Transaction [Line Items]  
Amount of interest in payout based on ownership percentage of acquired entity $ 0.2rp_AmountOfInterestInPayoutBasedOnOwnershipPercentageOfAcquiredEntity
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= rp_ZumaCapitalMember