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Related Person Transactions - TA Transaction Agreement (Details) | Dec. 31, 2022 property travelCenter shares | Jul. 31, 2020 $ / shares shares
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Related Party Transaction [Line Items] |  |
Number of properties | property | 1,003 |
TravelCenters of America LLC | RMR |  |
Related Party Transaction [Line Items] |  |
Number of common shares owned (in shares) | 661,505 |
Noncontrolling interest, ownership percentage | 4.10% |
Net Lease Property |  |
Related Party Transaction [Line Items] |  |
Number of properties | property | 765 |
Net Lease Property | TravelCenters of America Inc. |  |
Related Party Transaction [Line Items] |  |
Number of properties | travelCenter | 177 |
TravelCenters of America LLC |  |
Related Party Transaction [Line Items] |  |
Number of common shares owned (in shares) | 1,184,797 |
Percentage of total shares outstanding | 7.80% |
Share ownership restrictions maximum percentage of equity shares that can be acquired without approval | 9.80% |
TravelCenters of America LLC | Public Stock Offering |  |
Related Party Transaction [Line Items] |  |
Number of common shares owned (in shares) |  | 500,797
Offering price (in dollars per share) | $ / shares |  | $ 14.00

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