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Income Taxes - Summary of Taxability of Cash Distributions Paid on Common Shares (Detail) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]    
Ordinary income $ 2.30rhp_OrdinaryIncomeDividendsPerShare $ 1.39rhp_OrdinaryIncomeDividendsPerShare
Capital gains $ 0.17rhp_CapitalGainsDividendsPerShare $ 0.02rhp_CapitalGainsDividendsPerShare
Return of capital   $ 0.09rhp_ReturnOfCapitalDividendsPerShare
Total $ 2.47us-gaap_CommonStockDividendsPerShareCashPaid $ 1.50us-gaap_CommonStockDividendsPerShareCashPaid