Cover - USD ($) $ in Millions	12 Months Ended
Cover - USD ($) $ in Millions	Dec. 31, 2022	Apr. 20, 2023	Jun. 30, 2022
Document Information [Line Items]
Document Type	10-K/A
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Entity File Number	001-33274
Entity Registrant Name	TravelCenters of America Inc.
Entity Central Index Key	0001378453
Entity Tax Identification Number	27-5701514
Entity Incorporation, State or Country Code	MD
Entity Address, Address Line One	24601 Center Ridge Road
Entity Address, City or Town	Westlake
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	44145-5639
City Area Code	440
Local Phone Number	808-9100
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
Entity Shell Company	false
Entity Public Float			$ 429.7
Entity Common Stock, Shares Outstanding		15,099,648
ICFR Auditor Attestation Flag	true
Auditor Firm ID	34
Auditor Name	Deloitte & Touche LLP
Auditor Location	Cleveland, Ohio
R S M U S L L P [Member]
Document Information [Line Items]
Auditor Firm ID	49
Auditor Name	RSM US LLP
Auditor Location	Cleveland, Ohio
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Shares of Common Stock, $0.001 Par Value Per Share
Trading Symbol	TA
Security Exchange Name	NASDAQ
8.25% Senior Notes due 2028
Document Information [Line Items]
Title of 12(b) Security	8.25% Senior Notes due 2028
Trading Symbol	TANNI
Security Exchange Name	NASDAQ
8.00% Senior Notes due 2029
Document Information [Line Items]
Title of 12(b) Security	8.00% Senior Notes due 2029
Trading Symbol	TANNL
Security Exchange Name	NASDAQ
8.00% Senior Notes due 2030
Document Information [Line Items]
Title of 12(b) Security	8.00% Senior Notes due 2030
Trading Symbol	TANNZ
Security Exchange Name	NASDAQ

TravelCenters of America Inc. /MD/ 10-K/A