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Fair Value Measurements Narrative (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Jun. 27, 2012
Dec. 31, 2014
Aug. 25, 2010
Fair Value, Inputs, Level 1 [Member]        
Fair Value Measurements [Line Items]        
Defined benefit plan, transfers between measurement levels $ 0us-gaap_DefinedBenefitPlanTransfersBetweenMeasurementLevels
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
     
Fair Value, Inputs, Level 2 [Member]        
Fair Value Measurements [Line Items]        
Defined benefit plan, transfers between measurement levels 0us-gaap_DefinedBenefitPlanTransfersBetweenMeasurementLevels
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
     
Fair Value, Inputs, Level 3 [Member]        
Fair Value Measurements [Line Items]        
Defined benefit plan, transfers between measurement levels 0us-gaap_DefinedBenefitPlanTransfersBetweenMeasurementLevels
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
     
Senior Notes [Member] | $400 Million Senior Notes [Member]        
Fair Value Measurements [Line Items]        
Debt instrument face amount   400,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= chh_A400MillionSeniorNotesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
   
Senior Notes [Member] | $400 Million Senior Notes [Member] | Fair Value, Inputs, Level 2 [Member]        
Fair Value Measurements [Line Items]        
Debt instrument fair value 438,000,000us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= chh_A400MillionSeniorNotesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
  437,700,000us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= chh_A400MillionSeniorNotesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
 
Senior Notes [Member] | $250 Million Senior Notes [Member]        
Fair Value Measurements [Line Items]        
Debt instrument face amount       250,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= chh_A250MillionSeniorNotesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Senior Notes [Member] | $250 Million Senior Notes [Member] | Fair Value, Inputs, Level 2 [Member]        
Fair Value Measurements [Line Items]        
Debt instrument fair value $ 280,000,000us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= chh_A250MillionSeniorNotesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
  $ 268,900,000us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= chh_A250MillionSeniorNotesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember