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Summary of Significant Accounting Policies - Equity Method Investments and Equity Securities (Details) | Dec. 31, 2022 shares
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Sonesta International Hotels Corporation |
Debt and Equity Securities, FV-NI [Line Items] |
Noncontrolling interest, ownership percentage | 34.00%
TravelCenters of America LLC |
Debt and Equity Securities, FV-NI [Line Items] |
Number of common shares owned (in shares) | 1,184,797

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