Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 14, 2022	Jun. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-13393
Entity Registrant Name	CHOICE HOTELS INTERNATIONAL INC /DE
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	52-1209792
Entity Address, Address Line One	1 Choice Hotels Circle
Entity Address, Address Line Two	Suite 400
Entity Address, City or Town	Rockville,
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	20850
City Area Code	301
Local Phone Number	592-5000
Title of 12(b) Security	Common Stock, Par Value $0.01 per share
Trading Symbol	CHH
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 4,376,790,457
Entity Common Stock, Shares Outstanding		55,563,637
Documents Incorporated by Reference	Certain portions of our definitive proxy statement, to be filed with the Securities and Exchange Commission pursuant to Regulation 14A in connection with the Annual Meeting of Shareholders to be held on May 25, 2022, are incorporated by reference under Part III of this Form 10-K.
Entity Central Index Key	0001046311
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false