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Stock Plans - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost $ 7.9us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized    
Weighted average period to recognize compensation cost 2 years 2 months 12 days    
Compensation costs     2.1rhp_StockBasedCompensationCostsReversed
Compensation cost on stock-based compensation plans 5.8us-gaap_AllocatedShareBasedCompensationExpense 11.6us-gaap_AllocatedShareBasedCompensationExpense 9.0us-gaap_AllocatedShareBasedCompensationExpense
Tax benefit recognized from all stock-based employee compensation plans 1.9us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 3.0us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 3.2us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Cash received from stock option exercises 6.9us-gaap_ProceedsFromStockOptionsExercised 5.2us-gaap_ProceedsFromStockOptionsExercised 25.1us-gaap_ProceedsFromStockOptionsExercised
Employee service share based compensation tax benefit realized from share based compensation plans 3.2rhp_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromShareBasedCompensationPlans 1.0rhp_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromShareBasedCompensationPlans 5.2rhp_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromShareBasedCompensationPlans
REIT Conversion [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option canceled     167,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
/ us-gaap_RealEstatePropertiesAxis
= rhp_ReitConversionMember
Weighted average exercise price     $ 22.02us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
/ us-gaap_RealEstatePropertiesAxis
= rhp_ReitConversionMember
Restricted Stock Units [Member] | REIT Conversion [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock units     401,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_RealEstatePropertiesAxis
= rhp_ReitConversionMember
Weighted average grant date fair value     $ 29.76us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_RealEstatePropertiesAxis
= rhp_ReitConversionMember
Omnibus Incentive 2006 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum grant of stock options, restricted stock, and restricted stock units to directors and employees 4,400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= rhp_OmnibusIncentiveTwoThousandSixPlanMember
   
Maximum number of shares other than options or stock appreciation rights granted for awards 0.9rhp_MaximumNumberOfSharesOtherThanOptionsOrStockAppreciationRightsGrantedForAwards
/ us-gaap_PlanNameAxis
= rhp_OmnibusIncentiveTwoThousandSixPlanMember
   
Omnibus Incentive 2006 Plan [Member] | Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period for stock option awards 10 years    
Omnibus Incentive 2006 Plan [Member] | Stock Options [Member] | Non Employee Director [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercisable period from the date of grant for stock option granted 1 year    
Omnibus Incentive 2006 Plan [Member] | Stock Options [Member] | Employee [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercisable period from the date of grant for stock option granted 1 year    
Omnibus Incentive 2006 Plan [Member] | Stock Options [Member] | Employee [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercisable period from the date of grant for stock option granted 4 years    
Equity Incentive Plan Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average remaining contractual term of options outstanding 3 years 10 months 24 days    
Weighted average remaining contractual term of options exercisable 1 year 7 months 6 days    
Aggregate intrinsic value of options outstanding 6.4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanEmployeeStockOptionMember
   
Aggregate intrinsic value of options exercisable 2.8us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanEmployeeStockOptionMember
   
Weighted average grant date fair value     $ 14.34us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanEmployeeStockOptionMember
Total intrinsic value of options exercised 13.0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanEmployeeStockOptionMember
4.3us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanEmployeeStockOptionMember
21.5us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanEmployeeStockOptionMember
Equity Incentive Plan Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted, Weighted Average Grant-Date Fair-Value $ 41.61us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanRestrictedStockMember
$ 43.56us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanRestrictedStockMember
$ 33.57us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanRestrictedStockMember
Fair value of restricted stock awards vested $ 7.0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanRestrictedStockMember
$ 3.2us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanRestrictedStockMember
$ 15.6us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanRestrictedStockMember
Restricted stock units 9,407us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanRestrictedStockMember
   
Weighted average grant date fair value $ 41.47us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= rhp_EquityIncentivePlanRestrictedStockMember
   
Equity Incentive Plan Restricted Stock [Member] | Non Employee Director [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercisable period from the date of grant for stock option granted 1 year    
Equity Incentive Plan Restricted Stock [Member] | Employee [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercisable period from the date of grant for stock option granted 1 year    
Equity Incentive Plan Restricted Stock [Member] | Employee [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercisable period from the date of grant for stock option granted 4 years