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Share-Based Compensation and Capital Stock Narrative (Details) (USD $)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Share-Based Compensation and Capital Stock [Line Items]    
Stock options granted, shares 498,911us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross 700,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Stock options granted, fair value $ 6,200,000chh_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue $ 5,700,000chh_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue
Aggregate intrinsic value of stock options, outstanding 50,200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue  
Aggregate intrinsic value of stock options, exercisable 37,000,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1  
Total intrinsic value of options exercised 8,500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue 1,300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Proceeds from exercise of stock options 5,619,000us-gaap_ProceedsFromStockOptionsExercised 1,547,000us-gaap_ProceedsFromStockOptionsExercised
Stock options exercised (in shares) 228,963us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised 58,749us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Cash dividends declared per share (in dollars per share) $ 0.195us-gaap_CommonStockDividendsPerShareDeclared $ 0.185us-gaap_CommonStockDividendsPerShareDeclared
Common stock purchased under stock repurchase program (in shares) 0us-gaap_StockRepurchasedDuringPeriodShares  
Shares redeemed for tax withholding for share based compensation (in shares) 102,457us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation  
Payments related to tax withholding for share-based compensation 6,200,000us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation  
Performance Vested Restricted Stock Units [Member]    
Share-Based Compensation and Capital Stock [Line Items]    
Grants vested (in shares) 42,326us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		 28,886us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
Grants vested, total fair value 1,500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		 1,400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
Grants vested, initial target (in shares) 38,476chh_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodInitialGrantTarget
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		 18,635chh_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodInitialGrantTarget
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
Grants vested, performance percentage achieved 110.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		 155.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
Increase in shares due to performance percentage achieved (in shares) 3,850chh_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIncreaseDueToPerformance
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		 [1] 10,251chh_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIncreaseDueToPerformance
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
Periodic dividend (in dollars per share) $ 0.195chh_CommonStockDividendsperiodicpaymentPerShare
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		  
Cash dividends declared per share (in dollars per share) $ 0.195us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		  
Dividends declared 11,200,000us-gaap_DividendsCommonStockCash
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		  
Contingent dividends recorded $ 500,000us-gaap_Dividends
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		  
Performance Vested Restricted Stock Units [Member] | Minimum [Member]    
Share-Based Compensation and Capital Stock [Line Items]    
Vesting range (percentage) 0.00%chh_VestingRange
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		  
Award targets currently estimated to be achieved (percentage) 0.00%chh_VestingPercentageForStockBasedAwardTargetAchievement
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		  
Performance Vested Restricted Stock Units [Member] | Maximum [Member]    
Share-Based Compensation and Capital Stock [Line Items]    
Vesting range (percentage) 200.00%chh_VestingRange
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		  
Award targets currently estimated to be achieved (percentage) 180.00%chh_VestingPercentageForStockBasedAwardTargetAchievement
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		  
[1] PVRSU units outstanding have been increased by 3,850 units due to the Company exceeding the targeted performance conditions contained in PVRSUs granted in prior periods during the three months ended March 31, 2015.