Debt Instrument, Extension, Term

No definition available.

Name:	chh_DebtInstrumentExtensionTerm
Namespace Prefix:	chh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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-Section 45
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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Topic 210
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+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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+ Details

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Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=chh_A600MillionUnsecuredRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=chh_A2020SeniorNotesMember
Namespace Prefix:
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Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=chh_A5.750SeniorNotesDue2022Member
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Debt - Narrative (Details) - USD ($)		3 Months Ended		6 Months Ended
Debt - Narrative (Details) - USD ($)	Apr. 16, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jul. 23, 2020	Jul. 09, 2020	Dec. 31, 2019
Debt [Line Items]
Increase in borrowings				$ 170,300,000	$ 9,400,000
Loss on extinguishment of debt		$ 0	$ 0	607,000	$ 0
$600 Million Unsecured Revolving Credit Facility \| Senior
Debt [Line Items]
Debt instrument face amount		$ 600,000,000		$ 600,000,000				$ 600,000,000
Debt instrument effective interest rate		1.91%		1.91%				2.76%
$250 Million Unsecured Term Loan \| Unsecured Debt
Debt [Line Items]
Debt instrument face amount	$ 250,000,000	$ 250,000,000		$ 250,000,000
Debt instrument, extension, term	1 year
Debt instrument effective interest rate		3.25%		3.25%
Subsequent Event \| 2020 Senior Notes \| Senior
Debt [Line Items]
Debt instrument face amount						$ 450,000,000
Stated interest rate							3.70%
Subsequent Event \| 5.750% Senior Notes Due 2022 \| Senior
Debt [Line Items]
Stated interest rate							5.75%
Debt instrument, repurchased face amount						$ 183,400,000	$ 160,000,000.0