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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2022
Feb. 23, 2023
Jun. 30, 2022
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-34693    
Entity Registrant Name CHATHAM LODGING TRUST    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 27-1200777    
Entity Address, Address Line One 222 Lakeview Avenue, Suite 200    
Entity Address, City or Town West Palm Beach    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 33401    
City Area Code 561    
Local Phone Number 802-4477    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 500,315,810
Entity Common Stock, Shares Outstanding (in shares)   48,852,217  
Documents Incorporated by Reference Portions of the registrant's Definitive Proxy Statement for its 2023 Annual Meeting of Shareholders (to be filed with the Securities and Exchange Commission on or before April 30, 2023) are incorporated by reference into this Annual Report on Form 10-K in response to Part III hereof.    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Central Index Key 0001476045    
Common Shares      
Document Information [Line Items]      
Title of 12(b) Security Common Shares of Beneficial Interest, $0.01 par value per share    
Trading Symbol CLDT    
Security Exchange Name NYSE    
Series A Preferred Shares      
Document Information [Line Items]      
Title of 12(b) Security 6.625% Series A Cumulative Redeemable Preferred Shares    
Trading Symbol CLDT-PA    
Security Exchange Name NYSE